* fixed a pb with printing flexible ndarrays with subdtypes

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: