Update mychain.py

mychain.py

@@ -182,17 +182,17 @@ class MyChainRec:
             self.pending_transactions = []
             self.chain.append(block)
             json_object = json.dumps(self.chain, indent=4)
-            with open("tmp.json", "w") as outfile:
+            with open("tmp1.json", "w") as outfile:
                 outfile.write(json_object)
             try: 
                 api.upload_file(
-                path_or_fileobj="tmp.json",
+                path_or_fileobj="tmp1.json",
                 path_in_repo=chain_n,
                 repo_id=chain_r,
                 token=token_self,
                 repo_type="dataset",
                 )
-                os.remove("tmp.json")
+                os.remove("tmp1.json")
         
             except Exception as e:
                 print(e)