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Diffstat (limited to 'numpy/lib/npyio.py')
| -rw-r--r-- | numpy/lib/npyio.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/numpy/lib/npyio.py b/numpy/lib/npyio.py index b5723dee5..3b7b3bb30 100644 --- a/numpy/lib/npyio.py +++ b/numpy/lib/npyio.py @@ -1062,6 +1062,13 @@ def _read(fname, *, delimiter=',', comment='#', quote='"', arr = _ensure_ndmin_ndarray(arr, ndmin=ndmin) + if arr.shape[0] == 0: + warnings.warn( + f'loadtxt: input contained no data: "{fname}"', + category=UserWarning, + stacklevel=2 + ) + if unpack: # Handle unpack like np.loadtxt. # XXX Check interaction with ndmin! |