Resolve "RedHat8 system compatibility"

Closes #121 (closed)

analysis/run_cloud_removal.py

@@ -25,7 +25,7 @@ import os.path as op
 import json
 import logging
 from analysis import cloud_removal
-from s2snow.version import VERSION
+from importlib.metadata import version
 
 def show_help():
     """Show help of the run_cloud_removal script"""
@@ -34,7 +34,7 @@ def show_help():
     print("python run_cloud_removal.py help to show help")
 
 def show_version():
-    print(VERSION)
+    print(version('s2snow'))
 
 #----------------- MAIN ---------------------------------------------------