Better syntax

Author: humitos

readthedocs/core/utils/__init__.py

@@ -222,7 +222,5 @@ def safe_makedirs(directory_name):
     try:
         os.makedirs(directory_name)
     except OSError as e:
-        if e.errno == errno.EEXIST:  # 17, FileExistsError
-            pass
-        else:
+        if e.errno != errno.EEXIST:  # 17, FileExistsError
             raise