Mypy fixes

Author: pamelafox

app/backend/prepdocslib/embeddings.py

@@ -252,6 +252,7 @@ async def create_embedding(self, image_bytes: bytes) -> list[float]:
                     async with session.post(url=endpoint, params=params, data=image_bytes) as resp:
                         resp_json = await resp.json()
                         return resp_json["vector"]
+        raise ValueError("Failed to get image embedding after multiple retries.")
 
     def before_retry_sleep(self, retry_state):
         logger.info("Rate limited on the Vision embeddings API, sleeping before retrying...")

app/backend/prepdocslib/mediadescriber.py

@@ -134,10 +134,12 @@ async def describe_image(self, image_bytes: bytes) -> str:
                             "text": "Describe image with no more than 5 sentences. Do not speculate about anything you don't know.",
                             "type": "text",
                         },
-                        {"image_url": {"url": image_datauri}, "type": "image_url", "detail": "auto"},
+                        {"image_url": {"url": image_datauri, "detail": "auto"}, "type": "image_url"},
                     ],
                 },
             ],
         )
-        description = response.choices[0].message.content.strip() if response.choices else ""
+        description = ""
+        if response.choices and response.choices[0].message.content:
+            description = response.choices[0].message.content.strip()
         return description