Add missing space in exception message (pydata#6590)

HertugHelms · May 11, 2022 · 770e878 · 770e878
1 parent 3920c48
commit 770e878
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xarray/core/groupby.py b/xarray/core/groupby.py
@@ -312,7 +312,7 @@ def __init__(
             if not hashable(group):
                 raise TypeError(
                     "`group` must be an xarray.DataArray or the "
-                    "name of an xarray variable or dimension."
+                    "name of an xarray variable or dimension. "
                     f"Received {group!r} instead."
                 )
             group = obj[group]