src/cpl/console/console.py

@@ -1,5 +1,6 @@
 import os
 import sys
+import time
 from collections import Callable
 from typing import Union, Optional
 
@@ -442,6 +443,8 @@ class Console:
         for call in cls._hold_back_calls:
             call.function(*call.args)
 
+        time.sleep(0.1)
+
         return return_value
 
     @classmethod

src/cpl_cli/command/install_service.py

@@ -121,7 +121,9 @@ class InstallService(CommandABC):
             spinner_foreground_color=ForegroundColorEnum.cyan
         )
         new_package = Pip.get_package(name)
-        if new_package is None:
+        if new_package is None \
+                or '==' in package and \
+                version.parse(package.split('==')[1]) != version.parse(new_package.split('==')[1]):
             Console.error(f'Installation of package {package} failed')
             return