Fixing _NamespacePath sort method - pypa#4935 error

Fixing the error "_NamespacePath object has no attribute sort", cited in pypa#4935, by transforming the object NameSpace into a list to permit sorting by `position_in_sys_path`.
cdutr · Mar 21, 2018 · ca01103 · ca01103
1 parent 2634beb
commit ca01103
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/pip/_vendor/pkg_resources/__init__.py b/src/pip/_vendor/pkg_resources/__init__.py
@@ -2227,8 +2227,9 @@ def position_in_sys_path(path):
         # Is this behavior useful when module.__path__ is not a list?
         return
 
-    orig_path.sort(key=position_in_sys_path)
-    module.__path__[:] = [_normalize_cached(p) for p in orig_path]
+    orig_path_t = list(orig_path)
+    orig_path_t.sort(key=position_in_sys_path)
+    module.__path__[:] = [_normalize_cached(p) for p in orig_path_t]
 
 
 def declare_namespace(packageName):