Revert "Format."

This reverts commit fa5c0c7.

tests/test_fft.py

@@ -0,0 +1,9 @@
+import numpy as np
+import xdas as xd
+import xdas.fft as xfft
+
+class TestRFFT:
+    def test_with_non_dimensional(self):
+        da = xd.synthetics.wavelet_wavefronts()
+        da["latitude"] = ("distance", np.arange(da.sizes["distance"]))
+        xfft.rfft(da)

tests/test_signal.py

@@ -5,6 +5,8 @@
 import xdas
 import xdas.signal as xp
 from xdas.synthetics import wavelet_wavefronts
+import tempfile
+import os
 
 
 class TestSignal:

xdas/fft.py

@@ -55,7 +55,7 @@ def fft(da, n=None, dim={"last": "spectrum"}, norm=None, parallel=None):
     data = func(da.values)
     coords = {
         newdim if name == olddim else name: f if name == olddim else da.coords[name]
-        for name in da.coords
+        for name in da.coords if (da[name].dim != olddim or name == olddim)
     }
     dims = tuple(newdim if dim == olddim else dim for dim in da.dims)
     return DataArray(data, coords, dims, da.name, da.attrs)
@@ -110,7 +110,7 @@ def rfft(da, n=None, dim={"last": "frequency"}, norm=None, parallel=None):
     data = func(da.values, n, axis, norm)
     coords = {
         newdim if name == olddim else name: f if name == olddim else da.coords[name]
-        for name in da.coords
+        for name in da.coords if (da[name].dim != olddim or name == olddim)
     }
     dims = tuple(newdim if dim == olddim else dim for dim in da.dims)
     return DataArray(data, coords, dims, da.name, da.attrs)