From d7b5fb864cb1e1022dec79f601c2e60e001b36d3 Mon Sep 17 00:00:00 2001
From: Paul Dugas <paul@dugas.cc>
Date: Thu, 28 Oct 2021 07:52:19 -0400
Subject: [PATCH] Fix syntax warning with Python 3

Should resolve this warning. Not sure what the implication is on other versions of Python.

```
/usr/lib/python3/dist-packages/pdfkit/source.py:11: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if self.type is 'file':
```
---
 pdfkit/source.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdfkit/source.py b/pdfkit/source.py
index 44ca1bf..133b9ff 100755
--- a/pdfkit/source.py
+++ b/pdfkit/source.py
@@ -8,7 +8,7 @@ def __init__(self, url_or_file, type_):
         self.source = url_or_file
         self.type = type_
 
-        if self.type is 'file':
+        if self.type is file:
             self.checkFiles()
 
     def isUrl(self):