Error while start pgadmin4

Hi,

could you help me, running on REDHAT 8 and after a successful install, when i start pgadmin4.service i get these errors:

● pgadmin4.service - pgAdmin4 Server Mode
   Loaded: loaded (/usr/lib/systemd/system/pgadmin4.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2020-01-16 15:44:13 SAST; 3min 4s ago
     Docs: https://www.pgadmin.org/docs/
  Process: 12698 ExecStart=/usr/bin/python3 /usr/lib/python3.6/site-packages/pgadmin4-web/pgAdmin4.py (code=exited, status=1/FAILURE)
 Main PID: 12698 (code=exited, status=1/FAILURE)

Jan 16 15:44:13 localhost.localdomain python3[12698]:     self.get_context().run_migrations(**kw)
Jan 16 15:44:13 localhost.localdomain python3[12698]:   File "/usr/lib/python3.6/site-packages/alembic/runtime/migration.py", line 362, in run_migrations
Jan 16 15:44:13 localhost.localdomain python3[12698]:     step.migration_fn(**kw)
Jan 16 15:44:13 localhost.localdomain python3[12698]:   File "/usr/lib/python3.6/site-packages/pgadmin4-web/migrations/versions/fdc58d9bd449_.py", line 43, in upgrade
Jan 16 15:44:13 localhost.localdomain python3[12698]:     email, password = user_info()
Jan 16 15:44:13 localhost.localdomain python3[12698]:   File "/usr/lib/python3.6/site-packages/pgadmin4-web/pgadmin/setup/user_info.py", line 55, in user_info
Jan 16 15:44:13 localhost.localdomain python3[12698]:     email = input("Email address: ")
Jan 16 15:44:13 localhost.localdomain python3[12698]: EOFError: EOF when reading a line
Jan 16 15:44:13 localhost.localdomain systemd[1]: pgadmin4.service: Main process exited, code=exited, status=1/FAILURE
Jan 16 15:44:13 localhost.localdomain systemd[1]: pgadmin4.service: Failed with result 'exit-code'.

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