From d644905e8bdea4356efbea8f250a8a06ebc70159 Mon Sep 17 00:00:00 2001
From: Wolf Vollprecht <w.vollprecht@gmail.com>
Date: Fri, 20 Sep 2024 16:43:55 +0200
Subject: [PATCH 1/6] start implementing solvability check with rattler-build

---
 .../rattler_build.py                          | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 conda_forge_feedstock_check_solvable/rattler_build.py

diff --git a/conda_forge_feedstock_check_solvable/rattler_build.py b/conda_forge_feedstock_check_solvable/rattler_build.py
new file mode 100644
index 0000000..164f058
--- /dev/null
+++ b/conda_forge_feedstock_check_solvable/rattler_build.py
@@ -0,0 +1,62 @@
+import subprocess
+import os
+from conda_forge_feedstock_check_solvable.virtual_packages import (
+    virtual_package_repodata,
+)
+
+
+def run_rattler_build(command):
+    try:
+        # Run the command and capture output
+        print(" ".join(command))
+        result = subprocess.run(command, shell=True, check=False, capture_output=True, text=True)
+
+        # Get the status code
+        status_code = result.returncode
+
+        # Get stdout and stderr
+        stdout = result.stdout.strip()
+        stderr = result.stderr.strip()
+
+        return status_code, stdout, stderr
+    except Exception as e:
+        return -1, "", str(e)
+
+
+def invoke_rattler_build(recipe_dir: str, channels, build_platform, host_platform, variants) -> (bool, str):
+    print("invoke_rattler_build")
+    virtual_package_repo_url = virtual_package_repodata()
+
+    channels_args = []
+    for c in channels:
+        channels_args.extend(["-c", c])
+
+    channels_args.extend(["-c", virtual_package_repo_url])
+
+    variants_args = []
+    # for v in variants:
+        # variants_args.extend(["-m", v])
+    args = [
+        "rattler-build",
+        "build", "--recipe",
+        recipe_dir] + channels_args + \
+        ["--target-platform", host_platform, "--build-platform", build_platform] + \
+        variants_args + \
+        ["--render-only", "--with-solve"]
+    print(" ".join(args))
+
+    recipe = os.path.join(recipe_dir, "recipe.yaml")
+    status, out, err = run_rattler_build([
+        "rattler-build",
+        "build", "--recipe",
+        recipe] # + channels_args + \
+        # ["--target-platform", host_platform, "--build-platform", build_platform] + \
+        # variants_args + \
+        # ["--render-only", "--with-solve"]
+    )
+
+    if status == 0:
+        print(out, err)
+        return True, ""
+    else:
+        return False, out + err

From 3b23858751ede23879cfbc42eecba2a83eec2388 Mon Sep 17 00:00:00 2001
From: Wolf Vollprecht <w.vollprecht@gmail.com>
Date: Fri, 20 Sep 2024 16:55:14 +0200
Subject: [PATCH 2/6] lint

---
 .../check_solvable.py                         | 95 ++++++++++++-------
 .../rattler_build.py                          | 33 ++++---
 tests/test_check_solvable.py                  | 18 ++++
 3 files changed, 96 insertions(+), 50 deletions(-)

diff --git a/conda_forge_feedstock_check_solvable/check_solvable.py b/conda_forge_feedstock_check_solvable/check_solvable.py
index 38bebc0..8666c10 100644
--- a/conda_forge_feedstock_check_solvable/check_solvable.py
+++ b/conda_forge_feedstock_check_solvable/check_solvable.py
@@ -10,6 +10,7 @@
 
 import conda_forge_feedstock_check_solvable.utils
 from conda_forge_feedstock_check_solvable.mamba_solver import mamba_solver_factory
+from conda_forge_feedstock_check_solvable.rattler_build import invoke_rattler_build
 from conda_forge_feedstock_check_solvable.rattler_solver import rattler_solver_factory
 from conda_forge_feedstock_check_solvable.utils import (
     MAX_GLIBC_MINOR,
@@ -24,7 +25,6 @@
     print_warning,
     remove_reqs_by_name,
     replace_pin_compatible,
-    suppress_output,
 )
 from conda_forge_feedstock_check_solvable.virtual_packages import (
     virtual_package_repodata,
@@ -132,7 +132,12 @@ def _is_recipe_solvable(
             print_warning(errors[-1])
             return False, errors, {}
 
-        if not os.path.exists(os.path.join(feedstock_dir, "recipe", "meta.yaml")):
+        meta_exists = os.path.exists(os.path.join(feedstock_dir, "recipe", "meta.yaml"))
+        recipe_exists = os.path.exists(
+            os.path.join(feedstock_dir, "recipe", "recipe.yaml")
+        )
+
+        if not (meta_exists or recipe_exists):
             errors.append(
                 "No `recipe/meta.yaml` file found! This issue is quite weird and "
                 "someone should investigate!",
@@ -187,8 +192,8 @@ def _is_recipe_solvable(
 
 
 def _is_recipe_solvable_on_platform(
-    recipe_dir,
-    cbc_path,
+    recipe_dir: str,
+    cbc_path: str,
     platform,
     arch,
     build_platform_arch=None,
@@ -234,43 +239,63 @@ def _is_recipe_solvable_on_platform(
     # it would be used in a real build
     print_debug("rendering recipe with conda build")
 
-    with suppress_output():
-        for att in range(2):
-            timeout_timer.raise_for_timeout()
-            try:
-                if att == 1:
-                    os.system("rm -f %s/conda_build_config.yaml" % recipe_dir)
-                config = conda_build.config.get_or_merge_config(
-                    None,
-                    platform=platform,
-                    arch=arch,
-                    variant_config_files=[cbc_path],
-                )
-                cbc, _ = conda_build.variants.get_package_combined_spec(
-                    recipe_dir,
-                    config=config,
-                )
-            except Exception as e:
-                if att == 0:
-                    pass
-                else:
-                    raise e
-
+    # with suppress_output():
+    for att in range(2):
         timeout_timer.raise_for_timeout()
+        try:
+            if att == 1:
+                os.system("rm -f %s/conda_build_config.yaml" % recipe_dir)
+            config = conda_build.config.get_or_merge_config(
+                None,
+                platform=platform,
+                arch=arch,
+                variant_config_files=[cbc_path],
+            )
+            cbc, _ = conda_build.variants.get_package_combined_spec(
+                recipe_dir,
+                config=config,
+            )
+        except Exception as e:
+            if att == 0:
+                pass
+            else:
+                raise e
+
+    timeout_timer.raise_for_timeout()
 
-        # now we render the meta.yaml into an actual recipe
-        metas = conda_build_api_render(
+    # now we render the meta.yaml into an actual recipe
+    print("Recipe dir: ", recipe_dir)
+
+    if os.path.exists(os.path.join(recipe_dir, "recipe.yaml")):
+        print("Recipe YAMLING!")
+        # this is a rattler-build recipe so we can invoke rattler-build with
+        # the new `cbc`.
+        solvable, errors = invoke_rattler_build(
             recipe_dir,
-            platform=platform,
-            arch=arch,
-            ignore_system_variants=True,
+            channels=channel_sources,
+            build_platform=f"{platform}-{arch}",
+            host_platform=f"{platform}-{arch}",
             variants=cbc,
-            permit_undefined_jinja=True,
-            finalize=False,
-            bypass_env_check=True,
-            channel_urls=channel_sources,
         )
 
+        if errors:
+            print_warning("Rattler build errors: %s", errors)
+            errors = [f"Rattler build errors: {errors}"]
+
+        return solvable, errors
+
+    metas = conda_build_api_render(
+        recipe_dir,
+        platform=platform,
+        arch=arch,
+        ignore_system_variants=True,
+        variants=cbc,
+        permit_undefined_jinja=True,
+        finalize=False,
+        bypass_env_check=True,
+        channel_urls=channel_sources,
+    )
+
     timeout_timer.raise_for_timeout()
 
     # get build info
diff --git a/conda_forge_feedstock_check_solvable/rattler_build.py b/conda_forge_feedstock_check_solvable/rattler_build.py
index 164f058..cc4f02e 100644
--- a/conda_forge_feedstock_check_solvable/rattler_build.py
+++ b/conda_forge_feedstock_check_solvable/rattler_build.py
@@ -1,5 +1,6 @@
-import subprocess
 import os
+import subprocess
+
 from conda_forge_feedstock_check_solvable.virtual_packages import (
     virtual_package_repodata,
 )
@@ -9,7 +10,9 @@ def run_rattler_build(command):
     try:
         # Run the command and capture output
         print(" ".join(command))
-        result = subprocess.run(command, shell=True, check=False, capture_output=True, text=True)
+        result = subprocess.run(
+            command, shell=True, check=False, capture_output=True, text=True
+        )
 
         # Get the status code
         status_code = result.returncode
@@ -23,7 +26,9 @@ def run_rattler_build(command):
         return -1, "", str(e)
 
 
-def invoke_rattler_build(recipe_dir: str, channels, build_platform, host_platform, variants) -> (bool, str):
+def invoke_rattler_build(
+    recipe_dir: str, channels, build_platform, host_platform, variants
+) -> (bool, str):
     print("invoke_rattler_build")
     virtual_package_repo_url = virtual_package_repodata()
 
@@ -35,21 +40,19 @@ def invoke_rattler_build(recipe_dir: str, channels, build_platform, host_platfor
 
     variants_args = []
     # for v in variants:
-        # variants_args.extend(["-m", v])
-    args = [
-        "rattler-build",
-        "build", "--recipe",
-        recipe_dir] + channels_args + \
-        ["--target-platform", host_platform, "--build-platform", build_platform] + \
-        variants_args + \
-        ["--render-only", "--with-solve"]
+    # variants_args.extend(["-m", v])
+    args = (
+        ["rattler-build", "build", "--recipe", recipe_dir]
+        + channels_args
+        + ["--target-platform", host_platform, "--build-platform", build_platform]
+        + variants_args
+        + ["--render-only", "--with-solve"]
+    )
     print(" ".join(args))
 
     recipe = os.path.join(recipe_dir, "recipe.yaml")
-    status, out, err = run_rattler_build([
-        "rattler-build",
-        "build", "--recipe",
-        recipe] # + channels_args + \
+    status, out, err = run_rattler_build(
+        ["rattler-build", "build", "--recipe", recipe]  # + channels_args + \
         # ["--target-platform", host_platform, "--build-platform", build_platform] + \
         # variants_args + \
         # ["--render-only", "--with-solve"]
diff --git a/tests/test_check_solvable.py b/tests/test_check_solvable.py
index 3271370..aacdbb1 100644
--- a/tests/test_check_solvable.py
+++ b/tests/test_check_solvable.py
@@ -572,3 +572,21 @@ def test_pillow_solvable(tmp_path, solver):
     pprint.pprint(solvable_by_variant)
     assert solvable, pprint.pformat(errors)
     assert any("python3.10" in k for k in solvable_by_variant)
+
+
+def test_jolt_physics_rattler(tmp_path):
+    """test the new recipe format"""
+    feedstock_dir = clone_and_checkout_repo(
+        tmp_path,
+        "https://github.com/conda-forge/jolt-physics-feedstock",
+        ref="main",
+    )
+    solvable, errors, solvable_by_variant = is_recipe_solvable(
+        feedstock_dir,
+        solver="rattler",
+        verbosity=VERB,
+        timeout=None,
+        fail_fast=True,
+    )
+    pprint.pprint(solvable_by_variant)
+    assert solvable, pprint.pformat(errors)

From fd2357b1fbf12a0c3bd6588ae1ad039fc7f6d2d9 Mon Sep 17 00:00:00 2001
From: Wolf Vollprecht <w.vollprecht@gmail.com>
Date: Fri, 20 Sep 2024 17:18:56 +0200
Subject: [PATCH 3/6] make it work

---
 .../rattler_build.py                          | 60 +++++++++----------
 1 file changed, 29 insertions(+), 31 deletions(-)

diff --git a/conda_forge_feedstock_check_solvable/rattler_build.py b/conda_forge_feedstock_check_solvable/rattler_build.py
index cc4f02e..34ef766 100644
--- a/conda_forge_feedstock_check_solvable/rattler_build.py
+++ b/conda_forge_feedstock_check_solvable/rattler_build.py
@@ -1,5 +1,7 @@
-import os
 import subprocess
+import tempfile
+
+import yaml
 
 from conda_forge_feedstock_check_solvable.virtual_packages import (
     virtual_package_repodata,
@@ -9,9 +11,9 @@
 def run_rattler_build(command):
     try:
         # Run the command and capture output
-        print(" ".join(command))
+        print("Running: ", " ".join(command))
         result = subprocess.run(
-            command, shell=True, check=False, capture_output=True, text=True
+            " ".join(command), shell=True, check=False, capture_output=True, text=True
         )
 
         # Get the status code
@@ -29,37 +31,33 @@ def run_rattler_build(command):
 def invoke_rattler_build(
     recipe_dir: str, channels, build_platform, host_platform, variants
 ) -> (bool, str):
-    print("invoke_rattler_build")
+    # this is OK since there is an lru cache
     virtual_package_repo_url = virtual_package_repodata()
+    # create a temporary file and dump the variants as YAML
+
+    with tempfile.NamedTemporaryFile(mode="w", delete=False) as variants_file:
+        yaml.dump(variants, variants_file)
+        variants_file.flush()
 
-    channels_args = []
-    for c in channels:
-        channels_args.extend(["-c", c])
+        channels_args = []
+        for c in channels:
+            channels_args.extend(["-c", c])
 
-    channels_args.extend(["-c", virtual_package_repo_url])
+        channels_args.extend(["-c", virtual_package_repo_url])
 
-    variants_args = []
-    # for v in variants:
-    # variants_args.extend(["-m", v])
-    args = (
-        ["rattler-build", "build", "--recipe", recipe_dir]
-        + channels_args
-        + ["--target-platform", host_platform, "--build-platform", build_platform]
-        + variants_args
-        + ["--render-only", "--with-solve"]
-    )
-    print(" ".join(args))
+        args = (
+            ["rattler-build", "build", "--recipe", recipe_dir]
+            + channels_args
+            + ["--target-platform", host_platform]
+            + ["--build-platform", build_platform]
+            + ["-m", variants_file.name]
+            + ["--render-only", "--with-solve"]
+        )
 
-    recipe = os.path.join(recipe_dir, "recipe.yaml")
-    status, out, err = run_rattler_build(
-        ["rattler-build", "build", "--recipe", recipe]  # + channels_args + \
-        # ["--target-platform", host_platform, "--build-platform", build_platform] + \
-        # variants_args + \
-        # ["--render-only", "--with-solve"]
-    )
+        status, out, err = run_rattler_build(args)
 
-    if status == 0:
-        print(out, err)
-        return True, ""
-    else:
-        return False, out + err
+        if status == 0:
+            print(out, err)
+            return True, ""
+        else:
+            return False, out + err

From 211c931c6e55b0e31d941346a279bca203e89c16 Mon Sep 17 00:00:00 2001
From: Wolf Vollprecht <w.vollprecht@gmail.com>
Date: Sat, 21 Sep 2024 10:27:10 +0200
Subject: [PATCH 4/6] restore suppress output

---
 .../check_solvable.py                         | 95 ++++++++++---------
 1 file changed, 48 insertions(+), 47 deletions(-)

diff --git a/conda_forge_feedstock_check_solvable/check_solvable.py b/conda_forge_feedstock_check_solvable/check_solvable.py
index 8666c10..e61edde 100644
--- a/conda_forge_feedstock_check_solvable/check_solvable.py
+++ b/conda_forge_feedstock_check_solvable/check_solvable.py
@@ -25,6 +25,7 @@
     print_warning,
     remove_reqs_by_name,
     replace_pin_compatible,
+    suppress_output,
 )
 from conda_forge_feedstock_check_solvable.virtual_packages import (
     virtual_package_repodata,
@@ -239,63 +240,63 @@ def _is_recipe_solvable_on_platform(
     # it would be used in a real build
     print_debug("rendering recipe with conda build")
 
-    # with suppress_output():
-    for att in range(2):
+    with suppress_output():
+        for att in range(2):
+            timeout_timer.raise_for_timeout()
+            try:
+                if att == 1:
+                    os.system("rm -f %s/conda_build_config.yaml" % recipe_dir)
+                config = conda_build.config.get_or_merge_config(
+                    None,
+                    platform=platform,
+                    arch=arch,
+                    variant_config_files=[cbc_path],
+                )
+                cbc, _ = conda_build.variants.get_package_combined_spec(
+                    recipe_dir,
+                    config=config,
+                )
+            except Exception as e:
+                if att == 0:
+                    pass
+                else:
+                    raise e
+
         timeout_timer.raise_for_timeout()
-        try:
-            if att == 1:
-                os.system("rm -f %s/conda_build_config.yaml" % recipe_dir)
-            config = conda_build.config.get_or_merge_config(
-                None,
-                platform=platform,
-                arch=arch,
-                variant_config_files=[cbc_path],
-            )
-            cbc, _ = conda_build.variants.get_package_combined_spec(
+
+        # now we render the meta.yaml into an actual recipe
+        print("Recipe dir: ", recipe_dir)
+
+        if os.path.exists(os.path.join(recipe_dir, "recipe.yaml")):
+            print("Recipe YAMLING!")
+            # this is a rattler-build recipe so we can invoke rattler-build with
+            # the new `cbc`.
+            solvable, errors = invoke_rattler_build(
                 recipe_dir,
-                config=config,
+                channels=channel_sources,
+                build_platform=f"{platform}-{arch}",
+                host_platform=f"{platform}-{arch}",
+                variants=cbc,
             )
-        except Exception as e:
-            if att == 0:
-                pass
-            else:
-                raise e
 
-    timeout_timer.raise_for_timeout()
+            if errors:
+                print_warning("Rattler build errors: %s", errors)
+                errors = [f"Rattler build errors: {errors}"]
 
-    # now we render the meta.yaml into an actual recipe
-    print("Recipe dir: ", recipe_dir)
+            return solvable, errors
 
-    if os.path.exists(os.path.join(recipe_dir, "recipe.yaml")):
-        print("Recipe YAMLING!")
-        # this is a rattler-build recipe so we can invoke rattler-build with
-        # the new `cbc`.
-        solvable, errors = invoke_rattler_build(
+        metas = conda_build_api_render(
             recipe_dir,
-            channels=channel_sources,
-            build_platform=f"{platform}-{arch}",
-            host_platform=f"{platform}-{arch}",
+            platform=platform,
+            arch=arch,
+            ignore_system_variants=True,
             variants=cbc,
+            permit_undefined_jinja=True,
+            finalize=False,
+            bypass_env_check=True,
+            channel_urls=channel_sources,
         )
 
-        if errors:
-            print_warning("Rattler build errors: %s", errors)
-            errors = [f"Rattler build errors: {errors}"]
-
-        return solvable, errors
-
-    metas = conda_build_api_render(
-        recipe_dir,
-        platform=platform,
-        arch=arch,
-        ignore_system_variants=True,
-        variants=cbc,
-        permit_undefined_jinja=True,
-        finalize=False,
-        bypass_env_check=True,
-        channel_urls=channel_sources,
-    )
-
     timeout_timer.raise_for_timeout()
 
     # get build info

From a5850bac8071edb5a9dcf4186b6895a27fbd5799 Mon Sep 17 00:00:00 2001
From: Wolf Vollprecht <w.vollprecht@gmail.com>
Date: Sun, 22 Sep 2024 22:06:23 +0200
Subject: [PATCH 5/6] add a test for an unsolvable recipe

---
 tests/test_check_solvable.py                      | 15 +++++++++++++++
 .../.ci_support/osx_arm64_.yaml                   |  4 ++++
 tests/v1-unsolvable-feedstock/recipe/recipe.yaml  |  7 +++++++
 3 files changed, 26 insertions(+)
 create mode 100644 tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml
 create mode 100644 tests/v1-unsolvable-feedstock/recipe/recipe.yaml

diff --git a/tests/test_check_solvable.py b/tests/test_check_solvable.py
index aacdbb1..1582276 100644
--- a/tests/test_check_solvable.py
+++ b/tests/test_check_solvable.py
@@ -590,3 +590,18 @@ def test_jolt_physics_rattler(tmp_path):
     )
     pprint.pprint(solvable_by_variant)
     assert solvable, pprint.pformat(errors)
+
+
+def test_v1_unsolvable(tmp_path):
+    """test an unsolvable recipe in the new format"""
+    feedstock_dir = os.path.join(os.path.dirname(__file__), "v1-unsolvable-feedstock")
+    solvable, errors, _ = is_recipe_solvable(
+        feedstock_dir,
+        solver="rattler",
+        verbosity=VERB,
+        timeout=None,
+        fail_fast=True,
+    )
+    assert solvable is False
+
+    print(errors[0])
diff --git a/tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml b/tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml
new file mode 100644
index 0000000..5a29dfb
--- /dev/null
+++ b/tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml
@@ -0,0 +1,4 @@
+python:
+  - 100
+channel_sources:
+  - conda-forge
\ No newline at end of file
diff --git a/tests/v1-unsolvable-feedstock/recipe/recipe.yaml b/tests/v1-unsolvable-feedstock/recipe/recipe.yaml
new file mode 100644
index 0000000..db83835
--- /dev/null
+++ b/tests/v1-unsolvable-feedstock/recipe/recipe.yaml
@@ -0,0 +1,7 @@
+package:
+  name: v1-unsolvable
+  version: "0.1"
+
+requirements:
+  build:
+    - python
\ No newline at end of file

From 0df0679ccb941ff001060f560fe854a1c2bd0773 Mon Sep 17 00:00:00 2001
From: Wolf Vollprecht <w.vollprecht@gmail.com>
Date: Sun, 22 Sep 2024 22:09:23 +0200
Subject: [PATCH 6/6] remove print statements

---
 conda_forge_feedstock_check_solvable/check_solvable.py    | 5 +----
 conda_forge_feedstock_check_solvable/rattler_build.py     | 4 ++--
 tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml | 2 +-
 tests/v1-unsolvable-feedstock/recipe/recipe.yaml          | 2 +-
 4 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/conda_forge_feedstock_check_solvable/check_solvable.py b/conda_forge_feedstock_check_solvable/check_solvable.py
index e61edde..511b306 100644
--- a/conda_forge_feedstock_check_solvable/check_solvable.py
+++ b/conda_forge_feedstock_check_solvable/check_solvable.py
@@ -264,11 +264,7 @@ def _is_recipe_solvable_on_platform(
 
         timeout_timer.raise_for_timeout()
 
-        # now we render the meta.yaml into an actual recipe
-        print("Recipe dir: ", recipe_dir)
-
         if os.path.exists(os.path.join(recipe_dir, "recipe.yaml")):
-            print("Recipe YAMLING!")
             # this is a rattler-build recipe so we can invoke rattler-build with
             # the new `cbc`.
             solvable, errors = invoke_rattler_build(
@@ -285,6 +281,7 @@ def _is_recipe_solvable_on_platform(
 
             return solvable, errors
 
+        # now we render the meta.yaml into an actual recipe
         metas = conda_build_api_render(
             recipe_dir,
             platform=platform,
diff --git a/conda_forge_feedstock_check_solvable/rattler_build.py b/conda_forge_feedstock_check_solvable/rattler_build.py
index 34ef766..358d535 100644
--- a/conda_forge_feedstock_check_solvable/rattler_build.py
+++ b/conda_forge_feedstock_check_solvable/rattler_build.py
@@ -3,6 +3,7 @@
 
 import yaml
 
+from conda_forge_feedstock_check_solvable.utils import print_debug
 from conda_forge_feedstock_check_solvable.virtual_packages import (
     virtual_package_repodata,
 )
@@ -11,7 +12,7 @@
 def run_rattler_build(command):
     try:
         # Run the command and capture output
-        print("Running: ", " ".join(command))
+        print_debug("Running: ", " ".join(command))
         result = subprocess.run(
             " ".join(command), shell=True, check=False, capture_output=True, text=True
         )
@@ -57,7 +58,6 @@ def invoke_rattler_build(
         status, out, err = run_rattler_build(args)
 
         if status == 0:
-            print(out, err)
             return True, ""
         else:
             return False, out + err
diff --git a/tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml b/tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml
index 5a29dfb..8f89a14 100644
--- a/tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml
+++ b/tests/v1-unsolvable-feedstock/.ci_support/osx_arm64_.yaml
@@ -1,4 +1,4 @@
 python:
   - 100
 channel_sources:
-  - conda-forge
\ No newline at end of file
+  - conda-forge
diff --git a/tests/v1-unsolvable-feedstock/recipe/recipe.yaml b/tests/v1-unsolvable-feedstock/recipe/recipe.yaml
index db83835..c38a8c5 100644
--- a/tests/v1-unsolvable-feedstock/recipe/recipe.yaml
+++ b/tests/v1-unsolvable-feedstock/recipe/recipe.yaml
@@ -4,4 +4,4 @@ package:
 
 requirements:
   build:
-    - python
\ No newline at end of file
+    - python