updates app.py - fix of errors

app.py

@@ -501,6 +501,7 @@ with gr.Blocks(title="AI Image Generator & Text Overlay") as demo:
                 # Text pattern selection with template preview
                 with gr.Row():
                     with gr.Column(scale=2):
+                        # FIXED: Use proper tuple format and matching value
                         pattern = gr.Dropdown(
                             choices=[
                                 ("2-lines-top", "📄 2 Lines - Top (Header style)"),
@@ -510,15 +511,15 @@ with gr.Blocks(title="AI Image Generator & Text Overlay") as demo:
                                 ("3-lines-center", "📋 3 Lines - Center (Full title)"),
                                 ("3-lines-bottom", "📋 3 Lines - Bottom (Credits style)")
                             ],
-                            value="2-lines-top",
+                            value="2-lines-top",  # This now matches the first tuple value
                             label="Layout Pattern"
                         )
                     
                     with gr.Column(scale=1):
-                        # Template preview image - initialize with None first
+                        # Template preview image
                         template_preview = gr.Image(
                             label="Template Preview",
-                            value=None,  # Start with None to avoid initialization issues
+                            value=None,
                             show_label=True,
                             interactive=False,
                             width=200,
@@ -593,13 +594,13 @@ with gr.Blocks(title="AI Image Generator & Text Overlay") as demo:
             outputs=[text_image, status_message]
         )
 
-# Initialize template preview after the interface is created
-demo.load(
-    lambda: get_pattern_template("2-lines-top"),
-    outputs=[template_preview]
-)
+    # FIXED: Move demo.load() INSIDE the Blocks context
+    demo.load(
+        lambda: get_pattern_template("2-lines-top"),
+        outputs=[template_preview]
+    )
 
-# Launch the application
+# Launch the application - OUTSIDE the Blocks context
 if __name__ == "__main__":
     demo.launch(
         server_name="0.0.0.0",