Update app.py

app.py

@@ -1,8 +1,12 @@
 import os
 import g4f
 
-# Install g4f library if not already installed
-os.system('pip install g4f')
+# Check if g4f library is already installed
+if os.system('pip list g4f')!= 0:
+    # If not installed, uninstall any existing versions
+    os.system('pip uninstall g4f')
+    # Install g4f library
+    os.system('pip install g4f')
 
 prompt = 'give em story about Libya in arabic lang'