runtime error

onnection object at 0x7f8e1f4f03a0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/tensorflow/ WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f8e1f4f0790>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/tensorflow/ WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f8e1f4f0970>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/tensorflow/ WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f8e1f4f0ac0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/tensorflow/ WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f8e1f4f0c40>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/tensorflow/ ERROR: Could not find a version that satisfies the requirement tensorflow (from versions: none) ERROR: No matching distribution found for tensorflow WARNING: There was an error checking the latest version of pip. Traceback (most recent call last): File "app.py", line 9, in <module> subprocess.check_call([sys.executable,'-m','pip','install','tensorflow']) File "/usr/local/lib/python3.8/subprocess.py", line 364, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command '['/usr/local/bin/python', '-m', 'pip', 'install', 'tensorflow']' returned non-zero exit status 1.

Container logs: