runtime error

nection.HTTPSConnection object at 0x7fd3c3437e50>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "app.py", line 27, in <module> download_file( File "app.py", line 17, in download_file file = requests.get(url) File "/home/user/.local/lib/python3.8/site-packages/requests/api.py", line 73, in get return request("get", url, params=params, **kwargs) File "/home/user/.local/lib/python3.8/site-packages/requests/api.py", line 59, in request return session.request(method=method, url=url, **kwargs) File "/home/user/.local/lib/python3.8/site-packages/requests/sessions.py", line 587, in request resp = self.send(prep, **send_kwargs) File "/home/user/.local/lib/python3.8/site-packages/requests/sessions.py", line 723, in send history = [resp for resp in gen] File "/home/user/.local/lib/python3.8/site-packages/requests/sessions.py", line 723, in <listcomp> history = [resp for resp in gen] File "/home/user/.local/lib/python3.8/site-packages/requests/sessions.py", line 266, in resolve_redirects resp = self.send( File "/home/user/.local/lib/python3.8/site-packages/requests/sessions.py", line 701, in send r = adapter.send(request, **kwargs) File "/home/user/.local/lib/python3.8/site-packages/requests/adapters.py", line 565, in send raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPSConnectionPool(host='uc003dc91aafa23cd709e75c6f1a.dl.dropboxusercontent.com', port=443): Max retries exceeded with url: /cd/0/get/B-ZtkV7mtfc57XuPwD7yK57Z38nPeNcwOd-KQ9D6NUhL07_dgvg_uuk6mOixq1MzyR_BVjRNLs8JEyiBGHsfsaLPNRv2OKcm22Mq5s0sYQZsR0ymvd-IM790hdWbx1huWqMSxMpj4Gih2Pvkmo9pqNVFb8CJiMFAO2k4_ClCRwbSdZPBBD6u-RStgNvdMElfwtM/file?dl=1 (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7fd3c3437e50>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution'))

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