requirements for ext class

app.py

@@ -116,7 +116,7 @@ print (f"sys.path : {sys.path}")
 
 
 def complete(state="complete"):   
-    print(f"\nCell {state} @ {(datetime.datetime.fromtimestamp(time.time()).strftime('%Y-%m-%d %H:%M:%S'))}")
+    print(f"\nCell {state} @ {(datetime.fromtimestamp(time.time()).strftime('%Y-%m-%d %H:%M:%S'))}")
     
 complete(state='imports done')