More windows debugging

Author: brainsik

src/json_store/shelve2json.py

@@ -13,6 +13,7 @@ def convert(oldfile: str):
     if not os.path.isfile(oldfile):
         raise ValueError("No such file: {}".format(oldfile))
 
+    name = oldfile.rsplit(".dat")[0]  # macOS
     name = oldfile.rsplit(".db")[0]  # macOS
     print("Will open", name)
     data = shelve.open(name)