fix for log

app.py

@@ -24,7 +24,7 @@ if you do not have money (just like me **(┬┬﹏┬┬)** ) you can always :
 * **run the code in your PC** if you have a good GPU a good internet connection (to download the ai model only a 1 time thing)
 * **run the model in the cloud** (colab, and kaggle are good alternatives and they have a pretty good internet connection ) 
 ### minimalistic code to run a ckpt model 
-* enable GPU (click runtime thenchange runtime type) 
+* enable GPU (click runtime then change runtime type) 
 * install the following libraries
 ```
 !pip install -q diffusers gradio omegaconf
@@ -57,6 +57,7 @@ except :
 
 
 def text2img(positive_prompt,negative_prompt):
+    global log
     if log == "no GPU available":
         image = None
         return log,image