Update requirements

Author: akb

requirements.txt

@@ -4,31 +4,56 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
+alabaster==0.7.12         # via sphinx
 anyio==1.0.0              # via asks
 appdirs==1.4.3            # via mario
 asks==2.3.5               # via mario
 async-exit-stack==1.0.1   # via mario
 async-generator==1.10     # via anyio, asks, mario, trio
 attrs==19.1.0             # via mario, outcome, trio
+babel==2.7.0              # via sphinx
 bump2version==0.5.10      # via mario
+certifi==2019.6.16        # via requests
+chardet==3.0.4            # via requests
 click==7.0                # via mario
+docutils==0.14            # via mario, sphinx
 h11==0.9.0                # via asks
-idna==2.8                 # via trio
+idna==2.8                 # via requests, trio
+imagesize==1.1.0          # via sphinx
+jinja2==2.10.1            # via sphinx
 lxml==4.3.4
-mario==0.0.123
+mario==0.0.124
+markupsafe==1.1.1         # via jinja2
 marshmallow==3.0.0rc8     # via mario
 mypy-extensions==0.4.1    # via mypy, trio-typing
 mypy==0.720               # via trio-typing
 outcome==1.0.0            # via trio
+packaging==19.0           # via sphinx
 parso==0.5.1              # via mario
+pygments==2.4.2           # via sphinx
+pyparsing==2.4.0          # via packaging
 pyrsistent==0.15.3        # via mario
+pytz==2019.1              # via babel
 pyyaml==5.1.1
-six==1.12.0               # via pyrsistent
+requests==2.22.0          # via sphinx
+six==1.12.0               # via packaging, pyrsistent
 sniffio==1.1.0            # via anyio, trio
+snowballstemmer==1.9.0    # via sphinx
 sortedcontainers==2.1.0   # via trio
+sphinx==2.1.2             # via mario
+sphinxcontrib-applehelp==1.0.1  # via sphinx
+sphinxcontrib-devhelp==1.0.1  # via sphinx
+sphinxcontrib-htmlhelp==1.0.2  # via sphinx
+sphinxcontrib-jsmath==1.0.1  # via sphinx
+sphinxcontrib-qthelp==1.0.2  # via sphinx
+sphinxcontrib-serializinghtml==1.1.3  # via sphinx
 toml==0.10.0              # via mario
 toolz==0.10.0             # via mario
 trio-typing==0.2.0        # via mario
 trio==0.11.0              # via mario, trio-typing
 typed-ast==1.4.0          # via mypy
 typing-extensions==3.7.4  # via mypy, trio-typing
+urllib3==1.25.3           # via requests
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools==41.0.1        # via sphinx