fix : unseen recursion mistake on empty value for work folder

sources/tools/tools.py

@@ -56,8 +56,7 @@ class Tools():
         if path is None or path == "":
             path = self.config['MAIN']['work_dir'] if 'MAIN' in self.config and 'work_dir' in self.config['MAIN'] else None
         if path is None or path == "":
-            print("No work directory specified, using default.")
-            path = self.create_work_dir()
+            raise Exception("No work dir specified, please specify a work dir in .env file.")
         return path
     
     def config_exists(self):
@@ -216,4 +215,4 @@ for file in os.listdir():
 ```
 goodbye!
     """)
-    print(rt)
+    print(rt)