1 files changed, 40 insertions, 10 deletions

diff --git a/g4f/Provider/base_provider.py b/g4f/Provider/base_provider.py
index 79f8f617..0cceb220 100644
--- a/g4f/Provider/base_provider.py
+++ b/g4f/Provider/base_provider.py
@@ -1,11 +1,12 @@
 from __future__ import annotations
 
 import asyncio
+from asyncio import SelectorEventLoop
 from abc import ABC, abstractmethod
 
 import browser_cookie3
 
-from ..typing import Any, AsyncGenerator, CreateResult, Union
+from ..typing import Any, AsyncGenerator, CreateResult
 
 
 class BaseProvider(ABC):
@@ -21,10 +22,13 @@ class BaseProvider(ABC):
     def create_completion(
         model: str,
         messages: list[dict[str, str]],
-        stream: bool, **kwargs: Any) -> CreateResult:
+        stream: bool,
+        **kwargs
+    ) -> CreateResult:
         
         raise NotImplementedError()
 
+
     @classmethod
     @property
     def params(cls):
@@ -46,13 +50,19 @@ class AsyncProvider(BaseProvider):
         stream: bool = False,
         **kwargs
     ) -> CreateResult:
-        yield asyncio.run(cls.create_async(model, messages, **kwargs))
+        loop = create_event_loop()
+        try:
+            yield loop.run_until_complete(cls.create_async(model, messages, **kwargs))
+        finally:
+            loop.close()
 
     @staticmethod
     @abstractmethod
     async def create_async(
         model: str,
-        messages: list[dict[str, str]], **kwargs: Any) -> str:
+        messages: list[dict[str, str]],
+        **kwargs
+    ) -> str:
         raise NotImplementedError()
 
 
@@ -67,10 +77,14 @@ class AsyncGeneratorProvider(AsyncProvider):
         stream: bool = True,
         **kwargs
     ) -> CreateResult:
-        loop = asyncio.new_event_loop()
+        loop = create_event_loop()
         try:
-            asyncio.set_event_loop(loop)
-            generator = cls.create_async_generator(model, messages, stream=stream, **kwargs)
+            generator = cls.create_async_generator(
+                model,
+                messages,
+                stream=stream,
+                **kwargs
+            )
             gen  = generator.__aiter__()
             while True:
                 try:
@@ -78,10 +92,8 @@ class AsyncGeneratorProvider(AsyncProvider):
                 except StopAsyncIteration:
                     break
         finally:
-            asyncio.set_event_loop(None)
             loop.close()
 
-
     @classmethod
     async def create_async(
         cls,
@@ -89,7 +101,14 @@ class AsyncGeneratorProvider(AsyncProvider):
         messages: list[dict[str, str]],
         **kwargs
     ) -> str:
-        return "".join([chunk async for chunk in cls.create_async_generator(model, messages, stream=False, **kwargs)])
+        return "".join([
+            chunk async for chunk in cls.create_async_generator(
+                model,
+                messages,
+                stream=False,
+                **kwargs
+            )
+        ])
         
     @staticmethod
     @abstractmethod
@@ -101,6 +120,17 @@ class AsyncGeneratorProvider(AsyncProvider):
         raise NotImplementedError()
 
 
+# Don't create a new event loop in a running async loop.
+# Force use selector event loop on windows and linux use it anyway.
+def create_event_loop() -> SelectorEventLoop:
+    try:
+        asyncio.get_running_loop()
+    except RuntimeError:
+        return SelectorEventLoop()
+    raise RuntimeError(
+        'Use "create_async" instead of "create" function in a async loop.')
+
+
 _cookies = {}
 
 def get_cookies(cookie_domain: str) -> dict: