pyfftw added to requirements

docs/rtd_environment.yml

@@ -15,4 +15,5 @@ dependencies:
   - sphinx
   - sphinx_rtd_theme
   - mock
-  - pillow
\ No newline at end of file
+  - pillow
+  - pyfftw
\ No newline at end of file

environment.yml

-name: rst
+name: pyrst
 channels:
   - conda-forge
   - defaults
@@ -9,4 +9,5 @@ dependencies:
   - gsl
   - h5py
   - numpy
-  - scipy
\ No newline at end of file
+  - scipy
+  - pyfftw
\ No newline at end of file

requirements.txt

@@ -3,3 +3,4 @@ CythonGSL==0.2.2
 h5py==2.10.0
 numpy==1.19.1
 scipy==1.5.2
+pyfftw==0.12.0
\ No newline at end of file