Apply suggestions from code review

Author: kevinjqliu

pyiceberg/catalog/rest/response.py

@@ -101,14 +101,16 @@ def _handle_non_200_response(exc: HTTPError, error_handler: dict[int, type[Excep
                 response += f": {description}"
             if uri := error.error_uri:
                 response += f" ({uri})"
+        elif not exc.response.text:
+            try:
+                phrase = HTTPStatus(code).phrase
+            except ValueError:
+                phrase = exc.response.reason or f"HTTP {code}"
+            response = f"{exception.__name__}: RestError: {phrase}"
         else:
-            # Handle empty response bodies (Specifically HEAD requests via exist requests)
-            if not exc.response.text:
-                http_status = HTTPStatus(code)
-                response = f"{exception.__name__}: RestError: {http_status.phrase}"
-            else:
-                error = ErrorResponse.model_validate_json(exc.response.text).error
-                response = f"{error.type}: {error.message}"
+        else:
+            error = ErrorResponse.model_validate_json(exc.response.text).error
+            response = f"{error.type}: {error.message}"
     except JSONDecodeError:
         # In the case we don't have a proper response
         response = f"RESTError {exc.response.status_code}: Could not decode json payload: {exc.response.text}"