map to np dtype

Author: rushabh-v

pandas/core/arrays/integer.py

@@ -196,7 +196,8 @@ def coerce_to_array(values, dtype, mask=None, copy=False):
             mask = mask.copy()
         return values, mask
 
-    values = np.asarray(values, dtype=getattr(values, "dtype", object))
+    typ = dtype.numpy_dtype()
+    values = np.asarray(values, dtype=typ)
     if copy and hasattr(values, 'dtype'):
         values = values.copy()