Update app.py

fix the indent error

app.py

@@ -144,23 +144,23 @@ def update_metrics(placeholder):
 
 # --- SIDEBAR ---
 with st.sidebar:
-st.header("🔐 Authentication")
+    st.header("🔐 Authentication")
+        
+        # 1. SAFELY Check Secrets (Prevents FileNotFoundError)
+        try:
+            if "GROQ_API_KEY" in st.secrets:
+                st.session_state['groq_api_key'] = st.secrets["GROQ_API_KEY"]
+                st.session_state['is_key_valid'] = True
+        except FileNotFoundError:
+            # If secrets.toml doesn't exist, ignore and fall back to manual entry
+            pass
     
-    # 1. SAFELY Check Secrets (Prevents FileNotFoundError)
-    try:
-        if "GROQ_API_KEY" in st.secrets:
-            st.session_state['groq_api_key'] = st.secrets["GROQ_API_KEY"]
-            st.session_state['is_key_valid'] = True
-    except FileNotFoundError:
-        # If secrets.toml doesn't exist, ignore and fall back to manual entry
-        pass
-
-    # 2. Manual Entry Logic
-    if 'is_key_valid' not in st.session_state:
-        st.session_state['is_key_valid'] = False
-
-    if not st.session_state['is_key_valid']:
-        api_key_input = st.text_input("Enter Groq API Key", type="password", key="input_key")
+        # 2. Manual Entry Logic
+        if 'is_key_valid' not in st.session_state:
+            st.session_state['is_key_valid'] = False
+    
+        if not st.session_state['is_key_valid']:
+            api_key_input = st.text_input("Enter Groq API Key", type="password", key="input_key")
         if st.button("Validate API Key"):
             if not api_key_input:
                 st.error("⚠️ Please enter a key.")