Update app.py

Broadened shift slider ranges.

app.py

@@ -77,8 +77,8 @@ iface = gr.Interface(
     inputs=[
         gr.inputs.Image(type="pil", label="Input Image"),
         gr.inputs.Slider(minimum=0, maximum=100, step=10, default=80, label="Percentage of Original"),
-        gr.inputs.Slider(minimum=-20, maximum=20, step=1, default=0, label="Shift Left / Right (%)"),
-        gr.inputs.Slider(minimum=-20, maximum=20, step=1, default=0, label="Shift Up / Down (%)"),
+        gr.inputs.Slider(minimum=-30, maximum=30, step=1, default=0, label="Shift Left / Right (%)"),
+        gr.inputs.Slider(minimum=-30, maximum=30, step=1, default=0, label="Shift Up / Down (%)"),
         gr.inputs.Textbox(default="#ffffff", label="Background Color (Hex Code)"),
         gr.inputs.Slider(minimum=0, maximum=25, step=1, default=0, label="Crop Top (%)"),
         gr.inputs.Slider(minimum=0, maximum=25, step=1, default=0, label="Crop Bottom (%)")