Update mainpaperspacev2.py

mainpaperspacev2.py

@@ -141,17 +141,17 @@ def downloadmodel_lnkv2(CKPT_Link, Custom_Model_Version):
         elif Custom_Model_Version=='768':
           call('python convertodiffv2.py model.ckpt stable-diffusion-custom --v2 --reference_model stabilityai/stable-diffusion-2-1', shell=True)
         call('rm convertodiffv2.py', shell=True)
-        call('rm model.ckpt', shell=True)
         if os.path.exists('stable-diffusion-custom/unet/diffusion_pytorch_model.bin'):
+          call('rm model.ckpt', shell=True)
           os.chdir('/notebooks')
           clear_output()
           done()
-
-        while not os.path.exists('/models/stable-diffusion-custom/unet/diffusion_pytorch_model.bin'):
-          print('Conversion error')
-          os.chdir('/notebooks')
-          time.sleep(5)
-
+        else:
+            while not os.path.exists('/models/stable-diffusion-custom/unet/diffusion_pytorch_model.bin'):
+              print('Conversion error')
+              os.chdir('/notebooks')
+              time.sleep(5)
+    else:
         while os.path.getsize('/models/model.ckpt') < 1810671599:
            print('Wrong link, check that the link is valid')
            os.chdir('/notebooks')