Update requirements.txt (#721)

aaronspring · web-flow · commit dafd1f3000d8 · 2022-01-18T11:19:42.000+01:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,6 +1,5 @@
 xarray>=0.19.0
 dask>=2021.10.0
-toolz
 cftime>=1.5.0
 xskillscore>=0.0.20
 cf_xarray>=0.6.0
