Update app.py

output images as JPEGs

app.py

@@ -47,16 +47,16 @@ def enhance_image(image, scale):
 def muda_dpi(input_image, dpi):
     dpi_tuple = (dpi, dpi)
     image = Image.fromarray(input_image.astype('uint8'), 'RGB')
-    temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.png')
-    image.save(temp_file, format='PNG', dpi=dpi_tuple)
+    temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.jpg')
+    image.save(temp_file, format='JPEG', dpi=dpi_tuple)
     temp_file.close()
     return Image.open(temp_file.name)
 
 def resize_image(input_image, width, height):
     image = Image.fromarray(input_image.astype('uint8'), 'RGB')
     resized_image = image.resize((width, height))
-    temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.png')
-    resized_image.save(temp_file, format='PNG')
+    temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.jpg')
+    resized_image.save(temp_file, format='JPEG')
     temp_file.close()
     return Image.open(temp_file.name)
 
@@ -77,8 +77,8 @@ def process_images(image_files, enhance, scale, adjust_dpi, dpi, resize, width,
         if resize:
             original_image = resize_image(np.array(original_image), width, height)
             
-        temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.png')
-        original_image.save(temp_file.name)
+        temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.jpg')
+        original_image.save(temp_file.name,format='JPEG')
         processed_images.append(original_image)
         file_paths.append(temp_file.name)