Add dependency on pytorch

guix.scm

-(use-modules ((gnu packages machine-learning) #:select (python-scikit-learn))
+(use-modules ((gnu packages machine-learning) #:select (python-pytorch python-scikit-learn))
              ((gnu packages python-science) #:select (python-pandas))
              ((gnu packages python-xyz) #:select (python-matplotlib
                                                   python-nltk
@@ -28,9 +28,9 @@
             python-nltk
             python-numpy
             python-pandas
+            python-pytorch
             python-scikit-learn
-            python-seaborn
-            ))
+            python-seaborn))
     (home-page "https://gitlab.liris.cnrs.fr/geode/pyedda")
     (synopsis "A set of tools to explore the EDdA")
     (description