How to use Nano Banana Pro (Gemini 3.0 Pro) with image generation?

[Nikles324]

When using the 3.0 Pro model in generation mode, errors often occur, sometimes it works, sometimes it doesn't, but in general it often doesn't work.

Traceback (most recent call last):
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 101, in map_httpcore_exceptions
Jan 28 16:35:45 actvfodzid python[1498328]: yield
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 271, in aiter
Jan 28 16:35:45 actvfodzid python[1498328]: async for part in self._httpcore_stream:
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_async/connection_pool.py", line 407, in aiter
Jan 28 16:35:45 actvfodzid python[1498328]: raise exc from None
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_async/connection_pool.py", line 403, in aiter
Jan 28 16:35:45 actvfodzid python[1498328]: async for part in self._stream:
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 342, in aiter
Jan 28 16:35:45 actvfodzid python[1498328]: raise exc
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 334, in aiter
Jan 28 16:35:45 actvfodzid python[1498328]: async for chunk in self._connection._receive_response_body(**kwargs):
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 203, in _receive_response_body
Jan 28 16:35:45 actvfodzid python[1498328]: event = await self._receive_event(timeout=timeout)
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 217, in _receive_event
Jan 28 16:35:45 actvfodzid python[1498328]: data = await self._network_stream.read(
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_backends/anyio.py", line 32, in read
Jan 28 16:35:45 actvfodzid python[1498328]: with map_exceptions(exc_map):
Jan 28 16:35:45 actvfodzid python[1498328]: File "/usr/lib/python3.12/contextlib.py", line 158, in exit
Jan 28 16:35:45 actvfodzid python[1498328]: self.gen.throw(value)
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpcore/_exceptions.py", line 14, in map_exceptions
Jan 28 16:35:45 actvfodzid python[1498328]: raise to_exc(exc) from exc
Jan 28 16:35:45 actvfodzid python[1498328]: httpcore.ReadError
Jan 28 16:35:45 actvfodzid python[1498328]: The above exception was the direct cause of the following exception:
Jan 28 16:35:45 actvfodzid python[1498328]: Traceback (most recent call last):
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/botVK.py", line 4594, in cmd_generate_image
Jan 28 16:35:45 actvfodzid python[1498328]: response = await chat_session.send_message(final_prompt, files=input_image_paths)
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/gemini_webapi/client.py", line 721, in send_message
Jan 28 16:35:45 actvfodzid python[1498328]: return await self.geminiclient.generate_content(
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/gemini_webapi/utils/decorators.py", line 47, in wrapper
Jan 28 16:35:45 actvfodzid python[1498328]: return await wrapper(client, *args, retry=retry - 1, **kwargs)
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/gemini_webapi/utils/decorators.py", line 47, in wrapper
Jan 28 16:35:45 actvfodzid python[1498328]: return await wrapper(client, *args, retry=retry - 1, **kwargs)
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/gemini_webapi/utils/decorators.py", line 39, in wrapper
Jan 28 16:35:45 actvfodzid python[1498328]: return await func(client, *args, **kwargs)
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/gemini_webapi/client.py", line 309, in generate_content
Jan 28 16:35:45 actvfodzid python[1498328]: response = await self.client.post(
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_client.py", line 1859, in post
Jan 28 16:35:45 actvfodzid python[1498328]: return await self.request(
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_client.py", line 1540, in request
Jan 28 16:35:45 actvfodzid python[1498328]: return await self.send(request, auth=auth, follow_redirects=follow_redirects)
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_client.py", line 1643, in send
Jan 28 16:35:45 actvfodzid python[1498328]: raise exc
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_client.py", line 1637, in send
Jan 28 16:35:45 actvfodzid python[1498328]: await response.aread()
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_models.py", line 979, in aread
Jan 28 16:35:45 actvfodzid python[1498328]: self._content = b"".join([part async for part in self.aiter_bytes()])
Jan 28 16:35:45 actvfodzid python[1498328]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_models.py", line 997, in aiter_bytes
Jan 28 16:35:45 actvfodzid python[1498328]: async for raw_bytes in self.aiter_raw():
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_models.py", line 1055, in aiter_raw
Jan 28 16:35:45 actvfodzid python[1498328]: async for raw_stream_bytes in self.stream:
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_client.py", line 176, in aiter
Jan 28 16:35:45 actvfodzid python[1498328]: async for chunk in self._stream:
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 270, in aiter
Jan 28 16:35:45 actvfodzid python[1498328]: with map_httpcore_exceptions():
Jan 28 16:35:45 actvfodzid python[1498328]: File "/usr/lib/python3.12/contextlib.py", line 158, in exit
Jan 28 16:35:45 actvfodzid python[1498328]: self.gen.throw(value)
Jan 28 16:35:45 actvfodzid python[1498328]: File "/root/derpibotVK/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 118, in map_httpcore_exceptions
Jan 28 16:35:45 actvfodzid python[1498328]: raise mapped_exc(message) from exc
Jan 28 16:35:45 actvfodzid python[1498328]: httpx.ReadError
Jan 28 16:35:47 actvfodzid python[1498328]: 2026-01-28 16:35:47.177 | DEBUG | gemini_webapi.client:start_auto_refresh:233 - Cookies refreshed. New __Secure-1PSIDTS applied.