ENH: match numpy for tnp.dtype(...).kind

Author: ev-br

torch_np/_dtypes.py

@@ -197,6 +197,7 @@ class bool_(generic):
 _typecodes = {st.typecode: st for cat in sctypes for st in sctypes[cat]}
 _torch_dtypes = {st.torch_dtype: st for cat in sctypes for st in sctypes[cat]}
 
+
 _aliases = {
     "u1": uint8,
     "i1": int8,
@@ -287,7 +288,8 @@ def type(self):
 
     @property
     def kind(self):
-        raise NotImplementedError
+        # https://numpy.org/doc/stable/reference/generated/numpy.dtype.kind.html
+        return _torch_dtypes[self.torch_dtype].name[0]
 
     @property
     def typecode(self):