feat: 以新的方式设置正向代理

tests/proxy_test/forward_proxy_test.py

@@ -0,0 +1,24 @@
+import os
+
+import openai
+
+client = openai.Client(
+    api_key=os.environ["OPENAI_API_KEY"],
+)
+
+openai.proxies = {
+    'http': 'http://127.0.0.1:7890',
+    'https': 'http://127.0.0.1:7890',
+}
+
+resp = client.chat.completions.create(
+    model="gpt-3.5-turbo",
+    messages=[
+        {
+            "role": "user",
+            "content": "Hello, how are you?",
+        }
+    ]
+)
+
+print(resp)