Update app.py

app.py

@@ -13,19 +13,15 @@ from realesrgan.archs.srvgg_arch import SRVGGNetCompact
 
 last_file = None
 img_mode = "RGBA"
-firstrun = True
 
 def realesrgan(img, model_name, face_enhance):
+    global last_file
 
-    # remove last upscale when doing this new upscale to prevent memory being full
-    # added firstrun variable since I was running into global declaration problems?
-    if not firstrun:
-        global last_file
-        
-        if last_file:
-            print(f"Deleting {last_file} ...")
-            os.remove(last_file)
-            last_file = None
+    # remove last upscale when doing this new upscale to prevent memory being full   
+    if last_file:
+        print(f"Deleting {last_file} ...")
+        os.remove(last_file)
+        last_file = None
             
     if not img:
         return
@@ -114,11 +110,7 @@ def realesrgan(img, model_name, face_enhance):
         extension = 'jpg'
         out_filename = f"output_{rnd_string(16)}.{extension}"
         cv2.imwrite(out_filename, output)
-        global last_file
         last_file = out_filename
-        if firstrun:
-            global firstrun
-            firstrun = False
         return out_filename