diff --git a/coszenith (1).pyx b/coszenith.pyx
similarity index 99%
rename from coszenith (1).pyx
rename to coszenith.pyx
index 0ac173f..b31fe3c 100644
--- a/coszenith (1).pyx	
+++ b/coszenith.pyx
@@ -237,4 +237,4 @@ def coszda(date,mytype1[:, :] lat,mytype2[:,:] lon, double interval):
                 h_sunrise=-math.acos(-math.tan(Decl)*math.tan(lat_view[j,k]))
                 h_sunset=math.acos(-math.tan(Decl)*math.tan(lat_view[j,k]))
                 coz_view[i,j,k]=czda(h_start,h_end,h_sunrise,h_sunset,lat_view[j,k],Decl,interval)
-    return coz
\ No newline at end of file
+    return coz