Merge pull request #5951 from fmssn/main

Catch req.link = None

pipenv/environment.py

@@ -769,7 +769,13 @@ def is_satisfied(self, req: InstallRequirement):
             None,
         )
         if match is not None:
-            if req.editable and req.link and req.link.is_file:
+            if req.specifier is not None:
+                return SpecifierSet(str(req.specifier)).contains(
+                    match.version, prereleases=True
+                )
+            if req.link is None:
+                return True
+            elif req.editable and req.link.is_file:
                 requested_path = req.link.file_path
                 if os.path.exists(requested_path):
                     local_path = requested_path
@@ -794,12 +800,8 @@ def is_satisfied(self, req: InstallRequirement):
                     and vcs_ref == requested_revision
                     and direct_url_metadata["url"] == pipfile_part[req.link.scheme]
                 )
-            elif req.link and req.link.is_vcs:
+            elif req.link.is_vcs:
                 return False
-            elif req.specifier is not None:
-                return SpecifierSet(str(req.specifier)).contains(
-                    match.version, prereleases=True
-                )
             return True
         return False