Catch errors to fix failing test

Author: sepehr-rs

Lib/venv/__init__.py

@@ -459,8 +459,13 @@ def _call_new_python(self, context, *py_args, **kwargs):
 
     def _setup_pip(self, context):
         """Installs or upgrades pip in a virtual environment"""
-        self._call_new_python(context, '-m', 'ensurepip', '--upgrade',
-                              '--default-pip')
+        try:
+            self._call_new_python(context, '-m', 'ensurepip', '--upgrade',
+                                '--default-pip', stderr=subprocess.PIPE)
+        except subprocess.CalledProcessError as e:
+            if e.stderr:
+                print(e.stderr.decode(errors='replace'), file=sys.stderr)
+            raise
 
     def setup_scripts(self, context):
         """