15 files changed, 65 insertions, 29 deletions

diff --git a/g4f/Provider/Chatgpt4Online.py b/g4f/Provider/Chatgpt4Online.py
index 57ab9482..594f54c1 100644
--- a/g4f/Provider/Chatgpt4Online.py
+++ b/g4f/Provider/Chatgpt4Online.py
@@ -27,7 +27,9 @@ class Chatgpt4Online(AsyncProvider):
                 async with session.get(f"{cls.url}/", proxy=proxy) as response:
                     response.raise_for_status()
                     response = await response.text()
-                    if result := re.search(r'data-nonce="(.*?)"', response):
+                    result = re.search(r'data-nonce="(.*?)"', response)
+
+                    if result:
                         cls._wpnonce = result.group(1)
                     else:
                         raise RuntimeError("No nonce found")
diff --git a/g4f/Provider/ChatgptAi.py b/g4f/Provider/ChatgptAi.py
index 40ad9481..9425dfb0 100644
--- a/g4f/Provider/ChatgptAi.py
+++ b/g4f/Provider/ChatgptAi.py
@@ -45,7 +45,9 @@ class ChatgptAi(AsyncGeneratorProvider):
                 async with session.get(cls.url, proxy=proxy) as response:
                     response.raise_for_status()
                     text = await response.text()
-                if result := re.search(r"data-system='(.*?)'", text):
+
+                result = re.search(r"data-system='(.*?)'", text)
+                if result :
                     cls._system = json.loads(html.unescape(result.group(1)))
             if not cls._system:
                 raise RuntimeError("System args not found")
diff --git a/g4f/Provider/ChatgptDemo.py b/g4f/Provider/ChatgptDemo.py
index bc592ca6..666b5753 100644
--- a/g4f/Provider/ChatgptDemo.py
+++ b/g4f/Provider/ChatgptDemo.py
@@ -37,10 +37,13 @@ class ChatgptDemo(AsyncGeneratorProvider):
             async with session.get(f"{cls.url}/", proxy=proxy) as response:
                 response.raise_for_status()
                 response = await response.text()
-                if result := re.search(
+
+                result = re.search(
                     r'<div id="USERID" style="display: none">(.*?)<\/div>',
                     response,
-                ):
+                )
+
+                if result:
                     user_id = result.group(1)
                 else:
                     raise RuntimeError("No user id found")
@@ -59,5 +62,7 @@ class ChatgptDemo(AsyncGeneratorProvider):
                 async for line in response.content:
                     if line.startswith(b"data: "):
                         line = json.loads(line[6:-1])
-                        if chunk := line["choices"][0]["delta"].get("content"):
+
+                        chunk = line["choices"][0]["delta"].get("content")
+                        if chunk:
                             yield chunk
\ No newline at end of file
diff --git a/g4f/Provider/ChatgptFree.py b/g4f/Provider/ChatgptFree.py
index 48d6c396..b9b25447 100644
--- a/g4f/Provider/ChatgptFree.py
+++ b/g4f/Provider/ChatgptFree.py
@@ -65,7 +65,8 @@ class ChatgptFree(AsyncProvider):
                         raise RuntimeError("No post id found")
                     cls._post_id = result.group(1)
 
-                    if result := re.search(r'data-nonce="(.*?)"', response):
+                    result = re.search(r'data-nonce="(.*?)"', response)
+                    if result:
                         cls._nonce = result.group(1)
 
                     else:
diff --git a/g4f/Provider/ChatgptLogin.py b/g4f/Provider/ChatgptLogin.py
index 206e4a89..037e0a6e 100644
--- a/g4f/Provider/ChatgptLogin.py
+++ b/g4f/Provider/ChatgptLogin.py
@@ -45,10 +45,12 @@ class ChatgptLogin(AsyncGeneratorProvider):
                 async with session.get(f"{cls.url}/chat/", proxy=proxy) as response:
                     response.raise_for_status()
                     response = await response.text()
-                if result := re.search(
+                result = re.search(
                     r'<div id="USERID" style="display: none">(.*?)<\/div>',
                     response,
-                ):
+                )
+
+                if result:
                     cls._user_id = result.group(1)
                 else:
                     raise RuntimeError("No user id found")
@@ -67,9 +69,10 @@ class ChatgptLogin(AsyncGeneratorProvider):
                 response.raise_for_status()
                 async for line in response.content:
                     if line.startswith(b"data: "):
-                        if content := json.loads(line[6:])["choices"][0][
-                            "delta"
-                        ].get("content"):
+                        
+                        content = json.loads(line[6:])["choices"][0]["delta"].get("content")
+                        if content:
                             yield content
+                        
             async with session.post(f"{cls.url}/chat/delete_chat", json={"chat_id": chat_id}, proxy=proxy) as response:
                 response.raise_for_status()
\ No newline at end of file
diff --git a/g4f/Provider/ChatgptX.py b/g4f/Provider/ChatgptX.py
index c4e72099..3019858b 100644
--- a/g4f/Provider/ChatgptX.py
+++ b/g4f/Provider/ChatgptX.py
@@ -35,15 +35,21 @@ class ChatgptX(AsyncGeneratorProvider):
         async with ClientSession(headers=headers) as session:
             async with session.get(f"{cls.url}/", proxy=proxy) as response:
                 response = await response.text()
-                if result := re.search(
+
+                result = re.search(
                     r'<meta name="csrf-token" content="(.*?)"', response
-                ):
+                )
+                if result:
                     csrf_token = result.group(1)
-                if result := re.search(r"openconversions\('(.*?)'\)", response):
+
+                result = re.search(r"openconversions\('(.*?)'\)", response)
+                if result:
                     chat_id = result.group(1)
-                if result := re.search(
+
+                result = re.search(
                     r'<input type="hidden" id="user_id" value="(.*?)"', response
-                ):
+                )
+                if result:
                     user_id = result.group(1)
 
             if not csrf_token or not chat_id or not user_id:
diff --git a/g4f/Provider/GptGod.py b/g4f/Provider/GptGod.py
index a10a391d..08d9269e 100644
--- a/g4f/Provider/GptGod.py
+++ b/g4f/Provider/GptGod.py
@@ -47,12 +47,15 @@ class GptGod(AsyncGeneratorProvider):
                 response.raise_for_status()
                 event = None
                 async for line in response.content:
-                    print(line)
+                   # print(line)
 
                     if line.startswith(b'event: '):
                         event = line[7:-1]
+                    
                     elif event == b"data" and line.startswith(b"data: "):
-                        if data := json.loads(line[6:-1]):
+                        data = json.loads(line[6:-1])
+                        if data:
                             yield data
+                    
                     elif event == b"done":
                         break
\ No newline at end of file
diff --git a/g4f/Provider/Vercel.py b/g4f/Provider/Vercel.py
index a7bbc496..3e210925 100644
--- a/g4f/Provider/Vercel.py
+++ b/g4f/Provider/Vercel.py
@@ -6,10 +6,9 @@ from ..typing       import Messages, TypedDict, CreateResult, Any
 from .base_provider import BaseProvider
 from ..debug        import logging
 
-
 class Vercel(BaseProvider):
     url = 'https://sdk.vercel.ai'
-    working = True
+    working = False
     supports_message_history = True 
     supports_gpt_35_turbo = True
     supports_stream = True
diff --git a/g4f/Provider/deprecated/CodeLinkAva.py b/g4f/Provider/deprecated/CodeLinkAva.py
index a909ab97..22f4468a 100644
--- a/g4f/Provider/deprecated/CodeLinkAva.py
+++ b/g4f/Provider/deprecated/CodeLinkAva.py
@@ -46,5 +46,7 @@ class CodeLinkAva(AsyncGeneratorProvider):
                         if line.startswith("data: [DONE]"):
                             break
                         line = json.loads(line[6:-1])
-                        if content := line["choices"][0]["delta"].get("content"):
+
+                        content = line["choices"][0]["delta"].get("content")
+                        if content:
                             yield content
\ No newline at end of file
diff --git a/g4f/Provider/deprecated/Equing.py b/g4f/Provider/deprecated/Equing.py
index 076b5ac5..9f510e50 100644
--- a/g4f/Provider/deprecated/Equing.py
+++ b/g4f/Provider/deprecated/Equing.py
@@ -65,5 +65,7 @@ class Equing(BaseProvider):
             if line:
                 if b'content' in line:
                     line_json = json.loads(line.decode('utf-8').split('data: ')[1])
-                    if token := line_json['choices'][0]['delta'].get('content'):
+
+                    token = line_json['choices'][0]['delta'].get('content')
+                    if token:
                         yield token
\ No newline at end of file
diff --git a/g4f/Provider/deprecated/FastGpt.py b/g4f/Provider/deprecated/FastGpt.py
index ef69e892..3af8c213 100644
--- a/g4f/Provider/deprecated/FastGpt.py
+++ b/g4f/Provider/deprecated/FastGpt.py
@@ -69,9 +69,11 @@ class FastGpt(BaseProvider):
                 try:
                     if b'content' in line:
                         line_json = json.loads(line.decode('utf-8').split('data: ')[1])
-                        if token := line_json['choices'][0]['delta'].get(
+                        token = line_json['choices'][0]['delta'].get(
                             'content'
-                        ):
+                        )
+                        
+                        if token:
                             yield token
                 except:
                     continue
\ No newline at end of file
diff --git a/g4f/Provider/deprecated/Lockchat.py b/g4f/Provider/deprecated/Lockchat.py
index d93c9f8a..f885672d 100644
--- a/g4f/Provider/deprecated/Lockchat.py
+++ b/g4f/Provider/deprecated/Lockchat.py
@@ -38,6 +38,7 @@ class Lockchat(BaseProvider):
         for token in response.iter_lines():
             if b"The model: `gpt-4` does not exist" in token:
                 print("error, retrying...")
+                
                 Lockchat.create_completion(
                     model       = model,
                     messages    = messages,
@@ -47,5 +48,7 @@ class Lockchat(BaseProvider):
 
             if b"content" in token:
                 token = json.loads(token.decode("utf-8").split("data: ")[1])
-                if token := token["choices"][0]["delta"].get("content"):
+                token = token["choices"][0]["delta"].get("content")
+
+                if token:
                     yield (token)
\ No newline at end of file
diff --git a/g4f/Provider/deprecated/Vitalentum.py b/g4f/Provider/deprecated/Vitalentum.py
index 13160d94..8f466a52 100644
--- a/g4f/Provider/deprecated/Vitalentum.py
+++ b/g4f/Provider/deprecated/Vitalentum.py
@@ -49,5 +49,7 @@ class Vitalentum(AsyncGeneratorProvider):
                         if line.startswith("data: [DONE]"):
                             break
                         line = json.loads(line[6:-1])
-                        if content := line["choices"][0]["delta"].get("content"):
+                        content = line["choices"][0]["delta"].get("content")
+
+                        if content:
                             yield content
\ No newline at end of file
diff --git a/g4f/Provider/unfinished/ChatAiGpt.py b/g4f/Provider/unfinished/ChatAiGpt.py
index 9d050093..bc962623 100644
--- a/g4f/Provider/unfinished/ChatAiGpt.py
+++ b/g4f/Provider/unfinished/ChatAiGpt.py
@@ -43,9 +43,12 @@ class ChatAiGpt(AsyncGeneratorProvider):
                 async with session.get(f"{cls.url}/", proxy=proxy) as response:
                     response.raise_for_status()
                     response = await response.text()
-                    if result := re.search(
+
+                    result = re.search(
                         r'data-nonce=(.*?) data-post-id=([0-9]+)', response
-                    ):
+                    )
+
+                    if result:
                         cls._nonce, cls._post_id = result.group(1), result.group(2)
                     else:
                         raise RuntimeError("No nonce found")
diff --git a/g4f/Provider/unfinished/MikuChat.py b/g4f/Provider/unfinished/MikuChat.py
index 970fb0bb..bf19631f 100644
--- a/g4f/Provider/unfinished/MikuChat.py
+++ b/g4f/Provider/unfinished/MikuChat.py
@@ -48,7 +48,8 @@ class MikuChat(AsyncGeneratorProvider):
                 async for line in response.iter_lines():
                     if line.startswith(b"data: "):
                         line = json.loads(line[6:])
-                        if chunk := line["choices"][0]["delta"].get("content"):
+                        chunk = line["choices"][0]["delta"].get("content")
+                        if chunk:
                             yield chunk
 
 def k(e: str, t: int):