---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-19-7fd9da257a0f> in <module>
----> 1 plt.scatter(ds_td_s['time'], ds_td_s['snr'])
      2 plt.show()

~/opt/miniconda3/envs/py38/lib/python3.8/site-packages/matplotlib/pyplot.py in scatter(x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, verts, edgecolors, plotnonfinite, data, **kwargs)
   2888         verts=cbook.deprecation._deprecated_parameter,
   2889         edgecolors=None, *, plotnonfinite=False, data=None, **kwargs):
-> 2890     __ret = gca().scatter(
   2891         x, y, s=s, c=c, marker=marker, cmap=cmap, norm=norm,
   2892         vmin=vmin, vmax=vmax, alpha=alpha, linewidths=linewidths,

~/opt/miniconda3/envs/py38/lib/python3.8/site-packages/matplotlib/__init__.py in inner(ax, data, *args, **kwargs)
   1445     def inner(ax, *args, data=None, **kwargs):
   1446         if data is None:
-> 1447             return func(ax, *map(sanitize_sequence, args), **kwargs)
   1448 
   1449         bound = new_sig.bind(ax, *args, **kwargs)

~/opt/miniconda3/envs/py38/lib/python3.8/site-packages/matplotlib/cbook/deprecation.py in wrapper(*inner_args, **inner_kwargs)
    409                          else deprecation_addendum,
    410                 **kwargs)
--> 411         return func(*inner_args, **inner_kwargs)
    412 
    413     return wrapper

~/opt/miniconda3/envs/py38/lib/python3.8/site-packages/matplotlib/axes/_axes.py in scatter(self, x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, verts, edgecolors, plotnonfinite, **kwargs)
   4436         # np.ma.ravel yields an ndarray, not a masked array,
   4437         # unless its argument is a masked array.
-> 4438         x = np.ma.ravel(x)
   4439         y = np.ma.ravel(y)
   4440         if x.size != y.size:

~/opt/miniconda3/envs/py38/lib/python3.8/site-packages/numpy/ma/core.py in __call__(self, a, *args, **params)
   6768             a, args[0] = args[0], a
   6769 
-> 6770         marr = asanyarray(a)
   6771         method_name = self.__name__
   6772         method = getattr(type(marr), method_name, None)

~/opt/miniconda3/envs/py38/lib/python3.8/site-packages/numpy/ma/core.py in asanyarray(a, dtype)
   7996     if isinstance(a, MaskedArray) and (dtype is None or dtype == a.dtype):
   7997         return a
-> 7998     return masked_array(a, dtype=dtype, copy=False, keep_mask=True, subok=True)
   7999 
   8000 

~/opt/miniconda3/envs/py38/lib/python3.8/site-packages/numpy/ma/core.py in __new__(cls, data, mask, dtype, copy, subok, ndmin, fill_value, keep_mask, hard_mask, shrink, order, **options)
   2829         """
   2830         # Process data.
-> 2831         _data = np.array(data, dtype=dtype, copy=copy,
   2832                          order=order, subok=True, ndmin=ndmin)
   2833         _baseclass = getattr(data, '_baseclass', type(_data))

ValueError: Could not convert object to NumPy datetime