pipreqs online doesn't work behind proxy

[andrader]

Without "--use-local", I can't use pipreqs:

Error Traceback

>pipreqs
Traceback (most recent call last):
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\urllib3\connectionpool.py", line 700, in urlopen
    self._prepare_proxy(conn)
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\urllib3\connectionpool.py", line 996, in _prepare_proxy
    conn.connect()
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\urllib3\connection.py", line 414, in connect
    self.sock = ssl_wrap_socket(
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\urllib3\util\ssl_.py", line 449, in ssl_wrap_socket
    ssl_sock = _ssl_wrap_socket_impl(
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\urllib3\util\ssl_.py", line 493, in _ssl_wrap_socket_impl
    return ssl_context.wrap_socket(sock, server_hostname=server_hostname)
  File "c:\program files (x86)\python 3.9.6\lib\ssl.py", line 500, in wrap_socket
    return self.sslsocket_class._create(
  File "c:\program files (x86)\python 3.9.6\lib\ssl.py", line 1040, in _create
    self.do_handshake()
  File "c:\program files (x86)\python 3.9.6\lib\ssl.py", line 1309, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\adapters.py", line 489, in send
    resp = conn.urlopen(
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\urllib3\connectionpool.py", line 787, in urlopen
    retries = retries.increment(
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\urllib3\util\retry.py", line 592, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /pypi/pyodbc/json (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)')))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\program files (x86)\python 3.9.6\lib\runpy.py", line 197, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "c:\program files (x86)\python 3.9.6\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\Scripts\pipreqs.exe\__main__.py", line 7, in <module>
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\pipreqs\pipreqs.py", line 488, in main
    init(args)
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\pipreqs\pipreqs.py", line 439, in init
    imports = local + get_imports_info(difference,
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\pipreqs\pipreqs.py", line 179, in get_imports_info
    response = requests.get(
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\api.py", line 73, in get
    return request("get", url, params=params, **kwargs)
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\api.py", line 59, in request
    return session.request(method=method, url=url, **kwargs)
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 587, in request
    resp = self.send(prep, **send_kwargs)
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 723, in send
    history = [resp for resp in gen]
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 723, in <listcomp>
    history = [resp for resp in gen]
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 266, in resolve_redirects
    resp = self.send(
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 701, in send
    r = adapter.send(request, **kwargs)
  File "C:\Users\RUSANAN\AppData\Roaming\Python\Python39\site-packages\requests\adapters.py", line 563, in send
    raise SSLError(e, request=request)
requests.exceptions.SSLError: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /pypi/pyodbc/json (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)')))

I also have a pip.ini file configured with a index-url and trusted-host from my company: pip.ini:

[global]
index-url = ...
trusted-host = ...

[andrader]

This may be the same or related problem in #315