Couldn't run the app

First i run the app using streamlit run app_name and it worked. after that i receive the below error.

2021-10-26 16:54:23.898 Uncaught exception GET /stream (::1)
HTTPServerRequest(protocol=‘http’, host=‘localhost:8501’, method=‘GET’, uri=’/stream’, version=‘HTTP/1.1’, remote_ip=’::1’)
Traceback (most recent call last):
File “D:\Projects\env\lib\site-packages\tornado\web.py”, line 1704, in _execute
result = await result
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 278, in get
await self.ws_connection.accept_connection(self)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 879, in accept_connection
await self._accept_connection(handler)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 962, in _accept_connection
await self._receive_frame_loop()
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 1116, in _receive_frame_loop
await self._receive_frame()
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 1205, in _receive_frame
handled_future = self._handle_message(opcode, data)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 1217, in _handle_message
data = self._decompressor.decompress(data)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 798, in decompress
result = decompressor.decompress(
TypeError: ‘float’ object cannot be interpreted as an integer
2021-10-26 16:54:23.906 Uncaught exception GET /stream (::1)
HTTPServerRequest(protocol=‘http’, host=‘localhost:8501’, method=‘GET’, uri=’/stream’, version=‘HTTP/1.1’, remote_ip=’::1’)
Traceback (most recent call last):
File “D:\Projects\env\lib\site-packages\tornado\web.py”, line 1704, in _execute
result = await result
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 278, in get
await self.ws_connection.accept_connection(self)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 879, in accept_connection
await self._accept_connection(handler)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 962, in _accept_connection
await self._receive_frame_loop()
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 1116, in _receive_frame_loop
await self._receive_frame()
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 1205, in _receive_frame
handled_future = self._handle_message(opcode, data)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 1217, in _handle_message
data = self._decompressor.decompress(data)
File “D:\Projects\env\lib\site-packages\tornado\websocket.py”, line 798, in decompress
result = decompressor.decompress(
TypeError: ‘float’ object cannot be interpreted as an integer

streamlit run app_name.py ??