update requirements, test Python 3.9

6 files changed, 157 insertions, 50 deletions

diff --git a/requirements/dev.in b/requirements/dev.in
index bcc48da..2588467 100644
--- a/requirements/dev.in
+++ b/requirements/dev.in
@@ -1,5 +1,6 @@
-# -r docs.in  # can't include due to Sphinx/Jinja mutual dependency
+-r docs.in
 -r tests.in
+-r typing.in
 pip-tools
 pre-commit
 tox
diff --git a/requirements/dev.txt b/requirements/dev.txt
index d4ade06..b54929a 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -4,64 +4,126 @@
 #
 #    pip-compile requirements/dev.in
 #
+alabaster==0.7.12
+    # via sphinx
 appdirs==1.4.4
     # via virtualenv
-attrs==19.3.0
+attrs==20.3.0
     # via pytest
-cfgv==3.1.0
+babel==2.9.0
+    # via sphinx
+certifi==2020.12.5
+    # via requests
+cfgv==3.2.0
     # via pre-commit
+chardet==4.0.0
+    # via requests
 click==7.1.2
     # via pip-tools
-distlib==0.3.0
+distlib==0.3.1
     # via virtualenv
+docutils==0.16
+    # via sphinx
 filelock==3.0.12
     # via
     #   tox
     #   virtualenv
-identify==1.4.15
+identify==1.5.13
     # via pre-commit
-iniconfig==1.0.0
+idna==2.10
+    # via requests
+imagesize==1.2.0
+    # via sphinx
+iniconfig==1.1.1
     # via pytest
-nodeenv==1.3.5
+jinja2==2.11.3
+    # via sphinx
+markupsafe==1.1.1
+    # via jinja2
+mypy-extensions==0.4.3
+    # via mypy
+mypy==0.800
+    # via -r requirements/typing.in
+nodeenv==1.5.0
     # via pre-commit
-packaging==20.3
+packaging==20.9
     # via
+    #   pallets-sphinx-themes
     #   pytest
+    #   sphinx
     #   tox
+pallets-sphinx-themes==1.2.3
+    # via -r requirements/docs.in
 pip-tools==5.5.0
     # via -r requirements/dev.in
 pluggy==0.13.1
     # via
     #   pytest
     #   tox
-pre-commit==2.10.0
+pre-commit==2.10.1
     # via -r requirements/dev.in
-py==1.9.0
+py==1.10.0
     # via
     #   pytest
     #   tox
+pygments==2.7.4
+    # via sphinx
 pyparsing==2.4.7
     # via packaging
 pytest==6.2.2
     # via -r requirements/tests.in
-pyyaml==5.3.1
+pytz==2021.1
+    # via babel
+pyyaml==5.4.1
     # via pre-commit
-six==1.14.0
+requests==2.25.1
+    # via sphinx
+six==1.15.0
     # via
-    #   packaging
     #   tox
     #   virtualenv
-toml==0.10.1
+snowballstemmer==2.1.0
+    # via sphinx
+sphinx-issues==1.2.0
+    # via -r requirements/docs.in
+sphinx==2.4.4
+    # via
+    #   -r requirements/docs.in
+    #   pallets-sphinx-themes
+    #   sphinx-issues
+    #   sphinxcontrib-log-cabinet
+sphinxcontrib-applehelp==1.0.2
+    # via sphinx
+sphinxcontrib-devhelp==1.0.2
+    # via sphinx
+sphinxcontrib-htmlhelp==1.0.3
+    # via sphinx
+sphinxcontrib-jsmath==1.0.1
+    # via sphinx
+sphinxcontrib-log-cabinet==1.0.1
+    # via -r requirements/docs.in
+sphinxcontrib-qthelp==1.0.3
+    # via sphinx
+sphinxcontrib-serializinghtml==1.1.4
+    # via sphinx
+toml==0.10.2
     # via
     #   pre-commit
     #   pytest
     #   tox
-tox==3.21.3
+tox==3.21.4
     # via -r requirements/dev.in
-virtualenv==20.0.20
+typed-ast==1.4.2
+    # via mypy
+typing-extensions==3.7.4.3
+    # via mypy
+urllib3==1.26.3
+    # via requests
+virtualenv==20.4.2
     # via
     #   pre-commit
     #   tox
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip
+# setuptools
diff --git a/requirements/docs.txt b/requirements/docs.txt
index 55b034e..d24fd24 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -4,33 +4,64 @@
 #
 #    pip-compile requirements/docs.in
 #
-alabaster==0.7.12         # via sphinx
-babel==2.9.0              # via sphinx
-certifi==2020.4.5.1       # via requests
-chardet==3.0.4            # via requests
-docutils==0.16            # via sphinx
-idna==2.9                 # via requests
-imagesize==1.2.0          # via sphinx
-jinja2==2.11.2            # via sphinx
-markupsafe==1.1.1         # via jinja2
-packaging==20.3           # via pallets-sphinx-themes, sphinx
-pallets-sphinx-themes==1.2.3  # via -r requirements/docs.in
-pygments==2.6.1           # via sphinx
-pyparsing==2.4.7          # via packaging
-pytz==2020.1              # via babel
-requests==2.23.0          # via sphinx
-six==1.14.0               # via packaging
-snowballstemmer==2.0.0    # via sphinx
-sphinx-issues==1.2.0      # via -r requirements/docs.in
-sphinx==2.4.4             # via -r requirements/docs.in, pallets-sphinx-themes, sphinx-issues, sphinxcontrib-log-cabinet
-sphinxcontrib-applehelp==1.0.2  # via sphinx
-sphinxcontrib-devhelp==1.0.2  # via sphinx
-sphinxcontrib-htmlhelp==1.0.3  # via sphinx
-sphinxcontrib-jsmath==1.0.1  # via sphinx
-sphinxcontrib-log-cabinet==1.0.1  # via -r requirements/docs.in
-sphinxcontrib-qthelp==1.0.3  # via sphinx
-sphinxcontrib-serializinghtml==1.1.4  # via sphinx
-urllib3==1.25.9           # via requests
+alabaster==0.7.12
+    # via sphinx
+babel==2.9.0
+    # via sphinx
+certifi==2020.12.5
+    # via requests
+chardet==4.0.0
+    # via requests
+docutils==0.16
+    # via sphinx
+idna==2.10
+    # via requests
+imagesize==1.2.0
+    # via sphinx
+jinja2==2.11.3
+    # via sphinx
+markupsafe==1.1.1
+    # via jinja2
+packaging==20.9
+    # via
+    #   pallets-sphinx-themes
+    #   sphinx
+pallets-sphinx-themes==1.2.3
+    # via -r requirements/docs.in
+pygments==2.7.4
+    # via sphinx
+pyparsing==2.4.7
+    # via packaging
+pytz==2021.1
+    # via babel
+requests==2.25.1
+    # via sphinx
+snowballstemmer==2.1.0
+    # via sphinx
+sphinx-issues==1.2.0
+    # via -r requirements/docs.in
+sphinx==2.4.4
+    # via
+    #   -r requirements/docs.in
+    #   pallets-sphinx-themes
+    #   sphinx-issues
+    #   sphinxcontrib-log-cabinet
+sphinxcontrib-applehelp==1.0.2
+    # via sphinx
+sphinxcontrib-devhelp==1.0.2
+    # via sphinx
+sphinxcontrib-htmlhelp==1.0.3
+    # via sphinx
+sphinxcontrib-jsmath==1.0.1
+    # via sphinx
+sphinxcontrib-log-cabinet==1.0.1
+    # via -r requirements/docs.in
+sphinxcontrib-qthelp==1.0.3
+    # via sphinx
+sphinxcontrib-serializinghtml==1.1.4
+    # via sphinx
+urllib3==1.26.3
+    # via requests
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools
diff --git a/requirements/tests.txt b/requirements/tests.txt
index b6dd944..43d6aba 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -4,21 +4,19 @@
 #
 #    pip-compile requirements/tests.in
 #
-attrs==19.3.0
+attrs==20.3.0
     # via pytest
-iniconfig==1.0.0
+iniconfig==1.1.1
     # via pytest
-packaging==20.3
+packaging==20.9
     # via pytest
 pluggy==0.13.1
     # via pytest
-py==1.9.0
+py==1.10.0
     # via pytest
 pyparsing==2.4.7
     # via packaging
 pytest==6.2.2
     # via -r requirements/tests.in
-six==1.14.0
-    # via packaging
-toml==0.10.1
+toml==0.10.2
     # via pytest
diff --git a/requirements/typing.in b/requirements/typing.in
new file mode 100644
index 0000000..f0aa93a
--- /dev/null
+++ b/requirements/typing.in
@@ -0,0 +1 @@
+mypy
diff --git a/requirements/typing.txt b/requirements/typing.txt
new file mode 100644
index 0000000..2530301
--- /dev/null
+++ b/requirements/typing.txt
@@ -0,0 +1,14 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile requirements/typing.in
+#
+mypy-extensions==0.4.3
+    # via mypy
+mypy==0.800
+    # via -r requirements/typing.in
+typed-ast==1.4.2
+    # via mypy
+typing-extensions==3.7.4.3
+    # via mypy