Force newer xtensor-fftw version in Binder dependencies

egpbos · egpbos · commit e9de5f04e757 · 2017-12-07T11:15:39.000+01:00
diff --git a/environment.yml b/environment.yml
@@ -12,5 +12,5 @@ dependencies:
   - xeus-cling
 #  - xwidgets
   - notebook
-  - xtensor-fftw
+  - xtensor-fftw >= 0.2.1
   - fftw
