Bump babel from 2.8.0 to 2.9.1 in /tests

tests/requirements.txt

@@ -4,53 +4,124 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-attrs==19.3.0             # via pytest
-babel==2.8.0              # via flask-babelex
-blinker==1.4              # via flask-mail, flask-principal
-certifi==2020.6.20        # via requests
-cffi==1.14.0              # via cryptography
-chardet==3.0.4            # via requests
-click==7.1.2              # via flask
-codecov==2.0.15           # via -r requirements.in
-colorama==0.4.1           # via radon
-coverage==5.2             # via codecov, pytest-cov
-cryptography==3.0         # via -r ../requirements.in
-flake8-polyfill==1.0.2    # via radon
-flake8==3.8.3             # via flake8-polyfill
-flask-babelex==0.9.4      # via flask-security
-flask-login==0.5.0        # via flask-security
-flask-mail==0.9.1         # via flask-security
-flask-principal==0.4.0    # via flask-security
-flask-security==3.0.0     # via -r ../requirements.in
-flask-wtf==0.14.3         # via flask-security
-flask==1.1.2              # via -r ../requirements.in, flask-babelex, flask-login, flask-mail, flask-principal, flask-security, flask-wtf
-future==0.18.2            # via radon
-idna==2.10                # via requests
-importlib-metadata==1.7.0  # via flake8, pluggy, pytest
-itsdangerous==1.1.0       # via flask, flask-security, flask-wtf
-jinja2==2.11.2            # via flask, flask-babelex
-mando==0.6.4              # via radon
-markupsafe==1.1.1         # via jinja2, wtforms
-mccabe==0.6.1             # via flake8
-more-itertools==8.4.0     # via pytest
-packaging==20.4           # via pytest
-passlib==1.7.2            # via flask-security
-pluggy==0.13.1            # via pytest
-py==1.9.0                 # via pytest
-pycodestyle==2.6.0        # via flake8
-pycparser==2.20           # via cffi
-pyflakes==2.2.0           # via flake8
-pyjwt==1.7.1              # via -r ../requirements.in
-pyparsing==2.4.7          # via packaging
-pytest-cov==2.10.0        # via -r requirements.in
-pytest==5.4.3             # via -r requirements.in, pytest-cov
-pytz==2020.1              # via babel
-radon==4.1.0              # via -r requirements.in
-requests==2.24.0          # via -r ../requirements.in, codecov
-six==1.15.0               # via cryptography, mando, packaging
-speaklater==1.3           # via flask-babelex
-urllib3==1.25.9           # via requests
-wcwidth==0.2.5            # via pytest
-werkzeug==1.0.1           # via flask
-wtforms==2.3.1            # via flask-wtf
-zipp==3.1.0               # via importlib-metadata
+attrs==19.3.0
+    # via pytest
+babel==2.9.1
+    # via flask-babelex
+blinker==1.4
+    # via
+    #   flask-mail
+    #   flask-principal
+certifi==2020.6.20
+    # via requests
+cffi==1.14.0
+    # via cryptography
+chardet==3.0.4
+    # via requests
+click==7.1.2
+    # via flask
+codecov==2.0.15
+    # via -r requirements.in
+colorama==0.4.1
+    # via radon
+coverage==5.2
+    # via
+    #   codecov
+    #   pytest-cov
+cryptography==3.0
+    # via -r ../requirements.in
+flake8==3.8.3
+    # via flake8-polyfill
+flake8-polyfill==1.0.2
+    # via radon
+flask==1.1.2
+    # via
+    #   -r ../requirements.in
+    #   flask-babelex
+    #   flask-login
+    #   flask-mail
+    #   flask-principal
+    #   flask-security
+    #   flask-wtf
+flask-babelex==0.9.4
+    # via flask-security
+flask-login==0.5.0
+    # via flask-security
+flask-mail==0.9.1
+    # via flask-security
+flask-principal==0.4.0
+    # via flask-security
+flask-security==3.0.0
+    # via -r ../requirements.in
+flask-wtf==0.14.3
+    # via flask-security
+future==0.18.2
+    # via radon
+idna==2.10
+    # via requests
+itsdangerous==1.1.0
+    # via
+    #   flask
+    #   flask-security
+    #   flask-wtf
+jinja2==2.11.2
+    # via
+    #   flask
+    #   flask-babelex
+mando==0.6.4
+    # via radon
+markupsafe==1.1.1
+    # via
+    #   jinja2
+    #   wtforms
+mccabe==0.6.1
+    # via flake8
+more-itertools==8.4.0
+    # via pytest
+packaging==20.4
+    # via pytest
+passlib==1.7.2
+    # via flask-security
+pluggy==0.13.1
+    # via pytest
+py==1.9.0
+    # via pytest
+pycodestyle==2.6.0
+    # via flake8
+pycparser==2.20
+    # via cffi
+pyflakes==2.2.0
+    # via flake8
+pyjwt==1.7.1
+    # via -r ../requirements.in
+pyparsing==2.4.7
+    # via packaging
+pytest==5.4.3
+    # via
+    #   -r requirements.in
+    #   pytest-cov
+pytest-cov==2.10.0
+    # via -r requirements.in
+pytz==2020.1
+    # via babel
+radon==4.1.0
+    # via -r requirements.in
+requests==2.24.0
+    # via
+    #   -r ../requirements.in
+    #   codecov
+six==1.15.0
+    # via
+    #   cryptography
+    #   mando
+    #   packaging
+speaklater==1.3
+    # via flask-babelex
+urllib3==1.25.9
+    # via requests
+wcwidth==0.2.5
+    # via pytest
+werkzeug==1.0.1
+    # via flask
+wtforms==2.3.1
+    # via flask-wtf