Merge pull request pytest-dev#10078 from nicoddemus/pathsep-9791

nicoddemus · Jun 27, 2022 · da9a2b5 · da9a2b5
2 parents 8bbd35a + f92c4a7
commit da9a2b5
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diff --git a/changelog/9791.bugfix.rst b/changelog/9791.bugfix.rst
@@ -0,0 +1 @@
+Fixed a path handling code in ``rewrite.py`` that seems to work fine, but was incorrect and fails in some systems.
diff --git a/src/_pytest/assertion/rewrite.py b/src/_pytest/assertion/rewrite.py
@@ -190,7 +190,7 @@ def _early_rewrite_bailout(self, name: str, state: "AssertionState") -> bool:
             return False
 
         # For matching the name it must be as if it was a filename.
-        path = PurePath(os.path.sep.join(parts) + ".py")
+        path = PurePath(*parts).with_suffix(".py")
 
         for pat in self.fnpats:
             # if the pattern contains subdirectories ("tests/**.py" for example) we can't bail out based