1 files changed, 18 insertions, 11 deletions

diff --git a/g4f/__init__.py b/g4f/__init__.py
index 4b1e4b80..89b3e6d1 100644
--- a/g4f/__init__.py
+++ b/g4f/__init__.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 from requests import get
 from g4f.models import Model, ModelUtils
 from .Provider import BaseProvider
-from .typing import CreateResult, Union
+from .typing import Messages, CreateResult, Union
 from .debug import logging
 
 version = '0.1.5.6'
@@ -27,19 +27,19 @@ def get_model_and_provider(model    : Union[Model, str],
         if model in ModelUtils.convert:
             model = ModelUtils.convert[model]
         else:
-            raise Exception(f'The model: {model} does not exist')
+            raise ValueError(f'The model: {model} does not exist')
 
     if not provider:
         provider = model.best_provider
 
     if not provider:
-        raise Exception(f'No provider found for model: {model}')
+        raise RuntimeError(f'No provider found for model: {model}')
 
     if not provider.working:
-        raise Exception(f'{provider.__name__} is not working')
+        raise RuntimeError(f'{provider.__name__} is not working')
 
     if not provider.supports_stream and stream:
-        raise Exception(f'ValueError: {provider.__name__} does not support "stream" argument')
+        raise ValueError(f'{provider.__name__} does not support "stream" argument')
 
     if logging:
         print(f'Using {provider.__name__} provider')
@@ -48,17 +48,20 @@ def get_model_and_provider(model    : Union[Model, str],
 
 class ChatCompletion:
     @staticmethod
-    def create(model: Union[Model, str],
-        messages : list[dict[str, str]],
+    def create(
+        model: Union[Model, str],
+        messages : Messages,
         provider : Union[type[BaseProvider], None] = None,
         stream   : bool = False,
-        auth     : Union[str, None] = None, **kwargs) -> Union[CreateResult, str]:
+        auth     : Union[str, None] = None,
+        **kwargs
+    ) -> Union[CreateResult, str]:
 
         model, provider = get_model_and_provider(model, provider, stream)
 
         if provider.needs_auth and not auth:
-            raise Exception(
-                f'ValueError: {provider.__name__} requires authentication (use auth=\'cookie or token or jwt ...\' param)')
+            raise ValueError(
+                f'{provider.__name__} requires authentication (use auth=\'cookie or token or jwt ...\' param)')
 
         if provider.needs_auth:
             kwargs['auth'] = auth
@@ -69,10 +72,14 @@ class ChatCompletion:
     @staticmethod
     async def create_async(
         model: Union[Model, str],
-        messages: list[dict[str, str]],
+        messages: Messages,
         provider: Union[type[BaseProvider], None] = None,
+        stream: bool = False,
         **kwargs
     ) -> str:
+        if stream:
+            raise ValueError(f'"create_async" does not support "stream" argument')
+
         model, provider = get_model_and_provider(model, provider, False)
 
         return await provider.create_async(model.name, messages, **kwargs)