added pip requirements file

requirements.txt

@@ -6,6 +6,7 @@ cycler==0.10.0
 decorator==4.4.0
 defusedxml==0.6.0
 entrypoints==0.3
+imageio==2.5.0
 ipykernel==5.1.0
 ipython==7.4.0
 ipython-genutils==0.2.0
@@ -23,21 +24,29 @@ matplotlib==3.0.3
 mistune==0.8.4
 nbconvert==5.4.1
 nbformat==4.4.0
+networkx==2.3
 notebook==5.7.8
 numpy==1.16.3
+pandas==0.24.2
 pandocfilters==1.4.2
 parso==0.4.0
 pexpect==4.7.0
 pickleshare==0.7.5
+Pillow==6.0.0
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
 ptyprocess==0.6.0
 Pygments==2.3.1
 pyparsing==2.4.0
 pyrsistent==0.14.11
 python-dateutil==2.8.0
+pytz==2019.1
+PyWavelets==1.0.3
 pyzmq==18.0.1
 qtconsole==4.4.3
+scikit-image==0.15.0
+scikit-learn==0.20.3
+scipy==1.2.1
 Send2Trash==1.5.0
 six==1.12.0
 terminado==0.8.2