Fixed error in openai.error.APIConnectionError -> openai.APIConnectionError

Author: jezs00

src/piblo/provider.py

@@ -259,7 +259,7 @@ def get_image_from_string(self, text, height=0, width=0):
             url = response.data[0].url
             img = Image.open(BytesIO(requests.get(url).content))
 
-        except openai.error.APIConnectionError as e:
+        except openai.APIConnectionError as e:
             logging.error(e)
             logging.error("Unable to contact OpenAI. Internet or provider may be down.")
             return None