2021-01-21 16:26:09,249 P[12456] [MainThread 10912] Reset a Desktop session with new app_key
2021-01-21 16:26:09,269 P[12456] [MainThread 10912] Send GET request to http://127.0.0.1:9060/api/status to detect API Proxy... – Status OK Ready
2021-01-21 16:26:09,270 P[12456] [MainThread 10912] Request to http://127.0.0.1:9060/api/status – Status Ok Ready
2021-01-21 16:26:09,275 P[12456] [MainThread 10912] HTTP request failed: ConnectError('Socket error: 403: Forbidden\n\n[*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)') – Connection gets Forbidden.

2021-01-21 16:26:09,276 P[12456] [MainThread 10912] Error on checking port 9060 : ConnectError('Socket error: 403: Forbidden\n\n[*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)') -Connection gets Forbidden.
THEN

2021-01-21 16:26:09,278 P[12456] [MainThread 10912] Warning: file .portInUse was not found. Try to fallback to default port number. – Connection to API Proxy does a fallback to another available Port 9000
2021-01-21 16:26:09,278 P[12456] [MainThread 10912] Try defaulting to port 9000...
2021-01-21 16:26:09,283 P[12456] [MainThread 10912] Send GET request to http://127.0.0.1:9000/api/status to detect API Proxy... Status OK Read
2021-01-21 16:26:09,284 P[12456] [MainThread 10912] Request to http://127.0.0.1:9000/api/status Status OK Read

But then gets rejected: Due to the PySocks

2021-01-21 16:26:09,288 P[12456] [MainThread 10912] HTTP request failed: ConnectError('Socket error: 403: Forbidden\n\n[*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)')
2021-01-21 16:26:09,290 P[12456] [MainThread 10912] Error on checking port 9000 : ConnectError('Socket error: 403: Forbidden\n\n[*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)')
2021-01-21 16:26:09,291 P[12456] [MainThread 10912] Try defaulting to port 36036...
2021-01-21 16:26:09,294 P[12456] [MainThread 10912] Send GET request to http://127.0.0.1:36036/api/status to detect API Proxy...
2021-01-21 16:26:09,296 P[12456] [MainThread 10912] Request to http://127.0.0.1:36036/api/status

Same Process

2021-01-21 16:26:09,301 P[12456] [MainThread 10912] HTTP request failed: ConnectError('Socket error: 403: Forbidden\n\n[*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)')
2021-01-21 16:26:09,302 P[12456] [MainThread 10912] Error on checking port 36036 : ConnectError('Socket error: 403: Forbidden\n\n[*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)')
2021-01-21 16:26:09,304 P[12456] [MainThread 10912] Error: no proxy address identified.
Check if Eikon Desktop or Eikon API Proxy is running.

2021-01-21 16:26:09,306 P[12456] [MainThread 10912] Port number was not identified, cannot send any request -Success
2021-01-21 16:26:09,307 P[12456] [MainThread 10912] Init a Desktop session with new app_key – But the Port connection is Initiated by the Eikon Desktop APP Proxy (API Proxy)
2021-01-21 16:26:09,309 P[12456] [MainThread 10912] Port 9060 on local proxy was detected – Port 9060 is used
2021-01-21 16:26:09,312 P[12456] [MainThread 10912] entity: DataGrid_StandardAsync – Snapshot Request was sent

The it Looks Like the Snapshot or Data Request get rejected due to PySocks again

2021-01-21 16:26:09,320 P[12456] [MainThread 10912] HTTP request failed: ConnectError('Socket error: 403: Forbidden\n\n[*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)')
2021-01-21 16:26:09,321 P[12456] [MainThread 10912] HTTP Error: Socket error: 403: Forbidden