Update app.py

app.py

@@ -1,27 +1,28 @@
 import gradio as gr
 import json
 
-def minify_json(input_json):
+def minify_json(input_json=None, input_file=None):
     try:
-        # Load JSON from string or file
-        if isinstance(input_json, str):
+        # Determine input type (text or file)
+        if input_json:
             data = json.loads(input_json)
-        else:  # file input
-            data = json.load(input_json)
-        
+        elif input_file:
+            data = json.load(input_file)
+        else:
+            return "No input provided.", None
+
         # Minify the JSON
         minified_json = json.dumps(data, separators=(',', ':'))
-
         return minified_json, minified_json
-    except json.JSONDecodeError:
-        return "Invalid JSON format.", ""
+    except json.JSONDecodeError as e:
+        return f"Invalid JSON format: {str(e)}", None
 
 # Define the Gradio interface
 iface = gr.Interface(
     fn=minify_json,
     inputs=[
         gr.Textbox(label="Input JSON (Text)", placeholder="Enter JSON here...", lines=10),
-        gr.File(label="Input JSON (File)", type="file", optional=True)
+        gr.File(label="Input JSON (File)", type="file")
     ],
     outputs=[
         gr.Textbox(label="Minified JSON (Text)", lines=10),