Bump lxml from 4.4.2 to 4.9.1 in /v2

v2/requirements.txt

@@ -4,63 +4,168 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-alembic==1.3.2            # via flask-alembic
-amqp==2.5.2               # via kombu
-aniso8601==8.0.0          # via flask-restful
+alembic==1.3.2
+    # via flask-alembic
+amqp==2.5.2
+    # via kombu
+aniso8601==8.0.0
+    # via flask-restful
 appdirs==1.4.3
-arrow==0.15.5             # via jinja2-time
-babel==2.8.0              # via flask-babelex
+    # via -r requirements.in
+arrow==0.15.5
+    # via jinja2-time
+babel==2.8.0
+    # via flask-babelex
 bcrypt==3.1.7
+    # via -r requirements.in
 beautifulsoup4==4.8.2
-billiard==3.6.1.0         # via celery
-blinker==1.4              # via flask-mail, flask-principal
+    # via -r requirements.in
+billiard==3.6.1.0
+    # via celery
+blinker==1.4
+    # via
+    #   flask-mail
+    #   flask-principal
 celery==4.4.0
-cffi==1.13.2              # via bcrypt
-click==7.0                # via flask
+    # via -r requirements.in
+cffi==1.13.2
+    # via bcrypt
+click==7.0
+    # via flask
+flask==1.1.1
+    # via
+    #   -r requirements.in
+    #   flask-admin
+    #   flask-alembic
+    #   flask-babelex
+    #   flask-login
+    #   flask-mail
+    #   flask-marshmallow
+    #   flask-principal
+    #   flask-restful
+    #   flask-security
+    #   flask-session
+    #   flask-sqlalchemy
+    #   flask-wtf
 flask-admin==1.5.4
+    # via -r requirements.in
 flask-alembic==2.0.1
-flask-babelex==0.9.3      # via flask-security
-flask-login==0.4.1        # via flask-security
+    # via -r requirements.in
+flask-babelex==0.9.3
+    # via flask-security
+flask-login==0.4.1
+    # via flask-security
 flask-mail==0.9.1
+    # via
+    #   -r requirements.in
+    #   flask-security
 flask-marshmallow==0.10.1
-flask-principal==0.4.0    # via flask-security
+    # via -r requirements.in
+flask-principal==0.4.0
+    # via flask-security
 flask-restful==0.3.7
+    # via -r requirements.in
 flask-security==3.0.0
+    # via -r requirements.in
 flask-session==0.3.1
+    # via -r requirements.in
 flask-sqlalchemy==2.4.1
-flask-wtf==0.14.2         # via flask-security
-flask==1.1.1
-importlib-metadata==1.3.0  # via kombu
-itsdangerous==1.1.0       # via flask, flask-security
-jinja2-time==0.2.0
+    # via
+    #   -r requirements.in
+    #   flask-alembic
+flask-wtf==0.14.2
+    # via flask-security
+itsdangerous==1.1.0
+    # via
+    #   flask
+    #   flask-security
 jinja2==2.10.3
-kombu==4.6.7              # via celery
-lxml==4.4.2
-mako==1.1.0               # via alembic
+    # via
+    #   -r requirements.in
+    #   flask
+    #   flask-babelex
+    #   jinja2-time
+jinja2-time==0.2.0
+    # via -r requirements.in
+kombu==4.6.7
+    # via celery
+lxml==4.9.1
+    # via -r requirements.in
+mako==1.1.0
+    # via alembic
 markdown==3.1.1
-markupsafe==1.1.1         # via jinja2, mako
-marshmallow-sqlalchemy==0.21.0
+    # via -r requirements.in
+markupsafe==1.1.1
+    # via
+    #   jinja2
+    #   mako
 marshmallow==2.20.5
-more-itertools==8.0.2     # via zipp
+    # via
+    #   -r requirements.in
+    #   flask-marshmallow
+    #   marshmallow-sqlalchemy
+marshmallow-sqlalchemy==0.21.0
+    # via -r requirements.in
 passlib==1.7.2
+    # via
+    #   -r requirements.in
+    #   flask-security
 psycopg2-binary==2.8.4
-pycparser==2.19           # via cffi
+    # via -r requirements.in
+pycparser==2.19
+    # via cffi
 python-dateutil==2.8.1
-python-editor==1.0.4      # via alembic
+    # via
+    #   -r requirements.in
+    #   alembic
+    #   arrow
+python-editor==1.0.4
+    # via alembic
 python-frontmatter==0.5.0
+    # via -r requirements.in
 pytz==2019.3
-pyyaml==5.3               # via python-frontmatter
+    # via
+    #   -r requirements.in
+    #   babel
+    #   celery
+    #   flask-restful
+    #   tzlocal
+pyyaml==5.3
+    # via python-frontmatter
 redis==3.3.11
-six==1.13.0               # via bcrypt, flask-marshmallow, flask-restful, python-dateutil, python-frontmatter
-soupsieve==1.9.5          # via beautifulsoup4
-speaklater==1.3           # via flask-babelex
+    # via -r requirements.in
+six==1.13.0
+    # via
+    #   bcrypt
+    #   flask-marshmallow
+    #   flask-restful
+    #   python-dateutil
+    #   python-frontmatter
+soupsieve==1.9.5
+    # via beautifulsoup4
+speaklater==1.3
+    # via flask-babelex
 sqlalchemy==1.2.19
+    # via
+    #   -r requirements.in
+    #   alembic
+    #   flask-alembic
+    #   flask-sqlalchemy
+    #   marshmallow-sqlalchemy
 tzlocal==2.0.0
+    # via -r requirements.in
 uwsgi==2.0.18
-vine==1.3.0               # via amqp, celery
-werkzeug==0.16.0          # via flask
-wtforms==2.2.1            # via flask-admin, flask-wtf
-zipp==0.6.0               # via importlib-metadata
+    # via -r requirements.in
+vine==1.3.0
+    # via
+    #   amqp
+    #   celery
+werkzeug==0.16.0
+    # via flask
+wtforms==2.2.1
+    # via
+    #   flask-admin
+    #   flask-wtf
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools