Update app.py

app.py

@@ -116,21 +116,21 @@ def make_animation():
                 print(spl3)
                 if spl3.endswith(".png") or spl3.endswith(".gif") or spl3.endswith(".jpg"):
                     gif_box.append(f'{get_url}{spl2}{spl3}')
-                        
-            #frames = [Image.open(image) for image in glob.glob(f"{frame_folder}/*.JPG")]
-            frames = []
-            for i,ea in enumerate(gif_box):
-                print("############")
-                print(ea)
-                urllib.request.urlretrieve(ea,f'tmp{i}.png')                     
-                frames.append(Image.open(f'tmp{i}.png'))
-            frame_one = frames[0]
-            filename=f'{spl3.split(".")[0]}.gif'
-            print("**************")
-            print(filename)
-            frame_one.save(filename, format="GIF", append_images=frames,
-                       save_all=True, duration=100, loop=0)
-            html_out+=f'<div class="img_class"><img src="{filename}"></div>'
+            if gif_box:
+                #frames = [Image.open(image) for image in glob.glob(f"{frame_folder}/*.JPG")]
+                frames = []
+                for i,ea in enumerate(gif_box):
+                    print("############")
+                    print(ea)
+                    urllib.request.urlretrieve(ea,f'tmp{i}.png')                     
+                    frames.append(Image.open(f'tmp{i}.png'))
+                frame_one = frames[0]
+                filename=f'{spl3.split(".")[0]}.gif'
+                print("**************")
+                print(filename)
+                frame_one.save(filename, format="GIF", append_images=frames,
+                           save_all=True, duration=100, loop=0)
+                html_out+=f'<div class="img_class"><img src="{filename}"></div>'
     html_out+='</div>'
     return html_out