Shrinked requirements.txt to keep compatible with HPVM

requirements.txt

 Cython
+gitpython>=3.1.0
+graphviz>=0.10.1
+matplotlib>=3.0
+numpy>=1.16
+pandas>=0.22.0
+pydot>=1.4.1
+pyyaml
+scikit-learn>=0.21.2
+scipy>=1.3.0
+tabulate>=0.8.3
+tensorflow~=1.14
 torch==1.5.0
 torchvision==0.6
-scipy
-gitpython==3.1.0
 torchnet==0.0.4
-pydot==1.4.1
-tabulate==0.8.3
-pandas==1.1
-jupyter>=1.0.0
-matplotlib==3.3  # 3.0 is the last release to support Py3.5
-qgrid==1.1.1
-graphviz==0.10.1
-ipywidgets==7.4.2
-bqplot==0.11.5
-pyyaml
-pytest~=4.6.1
+tqdm>=4.33
 xlsxwriter>=1.2.2
-pretrainedmodels==0.7.4
-scikit-learn
-gym==0.12.5
-tqdm==4.59