Merge branch 'scaling_dt_fix' of https://github.com/jranalli/pvlib-python into scaling_dt_fix

Author: jranalli

docs/sphinx/source/whatsnew/v0.9.0.rst

@@ -178,6 +178,7 @@ Bug fixes
 * Corrected error affecting :py:func:`~pvlib.scaling._compute_wavelet` when
   passing a pandas time series with a sampling rate faster than 1 second.
   (:issue:`1257`, :pull:`1258`)
+  (:issue:`1257`, :pull:``)
 
 Testing
 ~~~~~~~