Update app.py

app.py

@@ -435,7 +435,7 @@ def create_image(url):
         encoded_image = base64.b64encode(f.read())        
     #bytestring=open('tmp.svg').read().encode('utf-8')
     with open("image.png","wb") as file:
-        file.write(eval(bytestring))
+        file.write(eval(encoded_image))
     #output = cairosvg.svg2png(
     #    bytestring=open('tmp.svg').read().encode('utf-8'), write_to="output.png")        
     return "image.png"