make app_version available in templates

freak/__init__.py

@@ -63,6 +63,7 @@ PRIVATE_ASSETS = os.getenv('PRIVATE_ASSETS', '').split()
 def _inject_variables():
     return {
         'app_name': os.getenv('APP_NAME'),
+        'app_version': __version__,
         'domain_name': os.getenv('DOMAIN_NAME'),
         'url_for_css': (lambda name, **kwargs: url_for('static', filename=f'css/{name}.css', **kwargs)),
         'private_scripts': [x for x in PRIVATE_ASSETS if x.endswith('.js')],

freak/website/about.py

@@ -2,7 +2,6 @@
 import sys
 from flask import Blueprint, render_template, __version__ as flask_version
 from sqlalchemy import __version__ as sa_version
-from .. import __version__ as app_version
 
 bp = Blueprint('about', __name__)
 
@@ -11,8 +10,7 @@ def about():
     return render_template('about.html',
         flask_version=flask_version,
         sa_version=sa_version,
-        python_version=sys.version.split()[0],
-        app_version=app_version
+        python_version=sys.version.split()[0]
     )
 
 @bp.route('/terms/')