[IMPR] Add a hint to import missing module in wrapper.py

Change-Id: I4286cd234be63787a7988d9152a940f3bfdf070e

pywikibot/scripts/wrapper.py

@@ -314,8 +314,10 @@ def check_modules(script: str | None = None) -> bool:
         # we need to re-start the entire process. Ask the user to do so.
         print('Now, you have to re-execute the command to start your script.')
         sys.exit(1)
-except ImportError as e:  # raised in textlib or backports
-    sys.exit(e)
+except ModuleNotFoundError as module:  # raised in textlib or backports
+    print(f'\n{module.msg}\nPlease install it with\n\n'
+          f'    pip install {module.name}')
+    sys.exit()
 
 
 def find_alternates(filename, script_paths):