merge Eric modifs

requirements.txt

@@ -0,0 +1,28 @@
+alembic==1.6.2
+click==7.1.2
+decorator==5.0.9
+dnspython==2.1.0
+email-validator==1.1.2
+Flask==1.1.2
+Flask-Migrate==2.7.0
+Flask-SQLAlchemy==2.5.1
+Flask-WTF==0.14.3
+greenlet==1.1.0
+idna==3.2
+infinity==1.5
+intervals==0.9.1
+itsdangerous==1.1.0
+Jinja2==2.11.3
+Mako==1.1.4
+MarkupSafe==1.1.1
+python-dateutil==2.8.1
+python-editor==1.0.4
+PyYAML==5.4.1
+six==1.16.0
+SQLAlchemy==1.4.14
+SQLAlchemy-Utils==0.37.6
+validators==0.18.2
+Werkzeug==1.0.1
+WTForms==2.3.3
+WTForms-Alchemy==0.17.0
+WTForms-Components==0.10.5