added code change

lib/ansible/modules/pip.py

@@ -721,8 +721,10 @@ def main():
     env = module.params['virtualenv']
 
     venv_created = False
-    if env and chdir:
+    if env:
+        if chdir:
             env = os.path.join(chdir, env)
+        env = os.path.abspath(env)
 
     if umask and not isinstance(umask, int):
         try: