Update app.py

app.py

@@ -22,8 +22,8 @@ groq_api_key = os.getenv("GROQ_API_KEY")
 if not groq_api_key:
     raise ValueError("GROQ_API_KEY environment variable not set")
 
-# Initialize Groq client
-client = groq.Groq(api_key=groq_api_key)
+# Initialize Groq client - using a simpler initialization to avoid proxies parameter issue
+client = groq.Client(api_key=groq_api_key)
 
 # Function to generate crystal structures
 def generate_crystal_structure(material_name):
@@ -132,6 +132,7 @@ def get_material_recommendations(query):
     Ensure your response is strictly in this JSON format with no additional text."""
     
     try:
+        # Updated to use the chat.completions API with the correct client method
         completion = client.chat.completions.create(
             model="deepseek-r1",
             messages=[