show: show editable location instead if package is editable (#11638)

Author: doronz88

news/11638.bugfix.rst

@@ -0,0 +1 @@
+Make ``pip show`` show the editable location if package is editable

src/pip/_internal/commands/show.py

@@ -116,10 +116,14 @@ def _get_requiring_packages(current_dist: BaseDistribution) -> Iterator[str]:
 
         metadata = dist.metadata
 
+        location = dist.location or ""
+        if dist.editable:
+            location = str(dist.editable_project_location)
+
         yield _PackageInfo(
             name=dist.raw_name,
             version=str(dist.version),
-            location=dist.location or "",
+            location=location,
             requires=requires,
             required_by=required_by,
             installer=dist.installer,