Remove check

pandas-dev · jreback · Dec 28, 2018 · Dec 20, 2018 · Dec 20, 2018 · Dec 21, 2018
commit d38fd19a6ec4298bddecd511c8ae2122cd84188c
diff --git a/pandas/core/arrays/numpy_.py b/pandas/core/arrays/numpy_.py
@@ -215,9 +215,6 @@ def __setitem__(self, key, value):
 
         if not lib.is_scalar(key) and is_list_like(key):
             key = np.asarray(key)
-            if not len(key):
-                # early return to avoid casting unnecessarily.
-                return
 
         if not lib.is_scalar(value):
             value = np.asarray(value)