updated requirements

requirements.txt

-bleach==3.1.0
-build-utils==0.3.2
-certifi==2019.3.9
+certifi==2018.1.18
 chardet==3.0.4
-colorama==0.4.1
+cycler==0.10.0
 docutils==0.14
-fake-rpi==0.6.1
-idna==2.8
-nose==1.3.7
-numpy==1.16.3
-opencv-python==4.1.0.25
-pkginfo==1.5.0.1
-Pygments==2.3.1
-PyQt5==5.12.1
-PyQt5-sip==4.19.15
-readme-renderer==24.0
-requests==2.21.0
-requests-toolbelt==0.9.1
-six==1.12.0
-tqdm==4.31.1
-twine==1.13.0
-urllib3==1.24.2
-webencodings==0.5.1
+idna==2.6
+kiwisolver==1.1.0
+matplotlib==3.1.2
+numpy==1.17.4
+pandas==0.25.3
+pudb==2017.1.4
+pydebug==1.0.3
+Pygments==2.2.0
+pyparsing==2.4.5
+PyQt5==5.13.1
+PyQt5-sip==12.7.0
+PyQtChart==5.13.0
+python-dateutil==2.8.1
+pytz==2019.3
+requests==2.18.4
+scipy==1.3.3
+seaborn==0.9.0
+sip==4.19.8
+six==1.13.0
+urllib3==1.22
+urwid==2.0.1