diff options
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/ma/core.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/numpy/ma/core.py b/numpy/ma/core.py index 118f8f6df..6de5e7ee4 100644 --- a/numpy/ma/core.py +++ b/numpy/ma/core.py @@ -1824,7 +1824,11 @@ class MaskedArray(ndarray): res = self._data.astype("|O8") res[m] = f else: - res = self._data.astype([(n,'|O8') for n in names]) + rdtype = [list(_) for _ in self.dtype.descr] + for r in rdtype: + r[1] = '|O8' + rdtype = [tuple(_) for _ in rdtype] + res = self._data.astype(rdtype) for field in names: np.putmask(res[field], m[field], f) else: |