fix syntax slip

Author: martindurant

kerchunk/grib2.py

@@ -123,15 +123,15 @@ def _store_array(store, z, data, var, inline_threshold, offset, size, attr):
 def contains_valid_level(message_keys: Set) -> bool:
     """Check if the given set of message_keys contain a valid level value.
     Some types of level, like depthBelowLandLayer for GEFS grib files,
-    represent slices of levels by "topLevel" and "bottomLevel" rather 
+    represent slices of levels by "topLevel" and "bottomLevel" rather
     than a discrete level value described by "level".
     see https://github.com/fsspec/kerchunk/issues/559
-    
+
     Args:
         message_keys: Set of keys to evaluate
-    
+
     Returns:
-        True if message_keys contain a valid level value, False otherwise    
+        True if message_keys contain a valid level value, False otherwise
     """
     return "level" in message_keys or "topLevel" in message_keys
 
@@ -263,7 +263,7 @@ def scan_grib(
             _store_array(
                 store_dict, z, vals, varName, inline_threshold, offset, size, attrs
             )
-            if "typeOfLevel" in message_keys and contains_valid_level(message_keys:
+            if "typeOfLevel" in message_keys and contains_valid_level(message_keys):
                 name = m["typeOfLevel"]
                 coordinates.append(name)
                 # convert to numpy scalar, so that .tobytes can be used for inlining