Add changes.

backend/moonstreamapi/data.py

@@ -291,7 +291,7 @@ class QueryInfoResponse(BaseModel):
     query: str
     query_id: str
     public: bool = False
-    preapproved: bool = False
+    preapprove: bool = False
     approved: bool = False
     parameters: List[str] = Field(default_factory=list)
     created_at: datetime

backend/moonstreamapi/routes/queries.py

@@ -184,6 +184,10 @@ async def get_query_handler(
         raise MoonstreamHTTPException(status_code=500, internal_error=e)
 
     try:
+        if entry.content is None:
+            raise MoonstreamHTTPException(
+                status_code=403, detail=f"Query is empty. Please update it."
+            )
         query = text(entry.content)
     except Exception as e:
         raise MoonstreamHTTPException(