Fix bad merge.

dask · Feb 11, 2023 · 4a701f5 · 4a701f5
1 parent 9834276
commit 4a701f5
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/dask/dataframe/groupby.py b/dask/dataframe/groupby.py
@@ -1539,15 +1539,15 @@ def _single_agg(
         if aggregate_kwargs is None:
             aggregate_kwargs = {}
 
+        if meta is None:
+            with check_numeric_only_deprecation():
+                meta = func(self._meta_nonempty, **chunk_kwargs)
+
         if "columns" in chunk_kwargs:
             columns = chunk_kwargs.pop("columns")
         else:
             columns = meta.name if is_series_like(meta) else meta.columns
 
-        if meta is None:
-            with check_numeric_only_deprecation():
-                meta = func(self._meta_nonempty, **chunk_kwargs)
-
         args = [self.obj] + (self.by if isinstance(self.by, list) else [self.by])
 
         token = self._token_prefix + token