update requirements.txt

requirements.txt

@@ -8,19 +8,19 @@ backcall==0.1.0
 black==19.10b0
 bleach==3.3.0
 certifi==2019.9.11
-cfgv==3.1.0
+cfgv==3.3.1
 chardet==3.0.4
 charset-normalizer==2.0.6
 click==7.1.2
 coverage==4.5.4
 decorator==4.4.2
-distlib==0.3.0
+distlib==0.3.4
 docutils==0.15.2
 entrypoints==0.3
-filelock==3.0.12
+filelock==3.6.0
 flake8==3.7.8
 furl==2.1.0
-identify==1.4.15
+identify==2.4.11
 idna==2.8
 imagesize==1.2.0
 importlib-metadata==0.23
@@ -34,16 +34,19 @@ jupyter-core==4.6.3
 MarkupSafe==1.1.1
 mccabe==0.6.1
 more-itertools==7.2.0
-nodeenv==1.3.5
+mypy-extensions==0.4.3
+nodeenv==1.6.0
 orderedmultidict==1.0.1
 packaging==19.2
 parso==0.7.0
 pathspec==0.8.0
+pbpstats==1.3.5
 pexpect==4.8.0
 pickleshare==0.7.5
 pkginfo==1.5.0.1
+platformdirs==2.5.1
 pluggy==0.13.0
-pre-commit==2.3.0
+pre-commit==2.17.0
 prompt-toolkit==3.0.5
 ptyprocess==0.6.0
 py==1.10.0
@@ -55,14 +58,14 @@ pytest==5.2.1
 pytest-cov==2.8.1
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.4
+PyYAML==6.0
 pyzmq==19.0.0
 readme-renderer==24.0
 regex==2020.5.7
 requests==2.26.0
 requests-toolbelt==0.9.1
 responses==0.10.6
-six==1.12.0
+six==1.16.0
 snowballstemmer==2.0.0
 Sphinx==3.0.3
 sphinx-rtd-theme==0.4.3
@@ -72,14 +75,16 @@ sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
-toml==0.10.0
+toml==0.10.2
+tomli==1.2.1
 tornado==6.0.4
 tqdm==4.36.1
 traitlets==4.3.3
 twine==2.0.0
 typed-ast==1.4.1
+typing-extensions==3.10.0.2
 urllib3==1.26.7
-virtualenv==20.0.20
+virtualenv==20.13.2
 wcwidth==0.1.7
 webencodings==0.5.1
 zipp==0.6.0