improve conversion_codemeta2zenodo method

eossr/api/zenodo.py

@@ -310,6 +310,9 @@ class ZenodoAPI:
 
             parse_codemeta_and_write_zenodo_metadata_file(self.path_codemeta_file,
                                                           self.path_zenodo_metadata_file)
+        else:
+            print("\n ! NO codemeta.json file found. \n"
+                  "     Please add one to the ROOT directory of your project to ble able to perform the conversion.")
 
     def check_upload_to_zenodo(self):
         """
@@ -337,8 +340,7 @@ class ZenodoAPI:
             if self.exist_codemeta_file:
                 self.conversion_codemeta2zenodo()
             else:
-                print("\n ! NO codemeta.json NOR .zenodo.json file found. "
-                      "Please add one to the ROOT directory of your project.")
+                # No codemeta.json nor .zenodo.json
                 sys.exit(-1)
 
         print("\n * Using the .zenodo.json file to simulate a new upload to Zenodo... \n")