Python leaks variables from list comprehensions (Why, Python, why?) which breaks…

Python leaks variables from list comprehensions (Why, Python, why?) which breaks any later attempts to use the path module

envs/common.py

@@ -287,11 +287,11 @@ PIPELINE_CSS = {
 
 PIPELINE_JS = {
     'application': {
-        'source_filenames': [path.replace('static/', '') for path in glob2.glob('static/coffee/src/**/*.coffee')],
+        'source_filenames': [pth.replace('static/', '') for pth in glob2.glob('static/coffee/src/**/*.coffee')],
         'output_filename': 'js/application.js'
     },
     'spec': {
-        'source_filenames': [path.replace('static/', '') for path in glob2.glob('static/coffee/spec/**/*.coffee')],
+        'source_filenames': [pth.replace('static/', '') for pth in glob2.glob('static/coffee/spec/**/*.coffee')],
         'output_filename': 'js/spec.js'
     }
 }