Update requirements - upgrade to py37

lemur/manage.py

@@ -49,6 +49,8 @@ from lemur.policies.models import RotationPolicy  # noqa
 from lemur.pending_certificates.models import PendingCertificate  # noqa
 from lemur.dns_providers.models import DnsProvider  # noqa
 
+from sqlalchemy.sql import text
+
 manager = Manager(create_app)
 manager.add_option('-c', '--config', dest='config_path', required=False)
 
@@ -142,6 +144,7 @@ SQLALCHEMY_DATABASE_URI = 'postgresql://lemur:lemur@localhost:5432/lemur'
 
 @MigrateCommand.command
 def create():
+    database.db.engine.execute(text('CREATE EXTENSION IF NOT EXISTS pg_trgm'))
     database.db.create_all()
     stamp(revision='head')
 

lemur/tests/conftest.py

@@ -7,6 +7,7 @@ from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives import hashes
 from flask import current_app
 from flask_principal import identity_changed, Identity
+from sqlalchemy.sql import text
 
 from lemur import create_app
 from lemur.common.utils import parse_private_key
@@ -55,6 +56,7 @@ def app(request):
 @pytest.yield_fixture(scope="session")
 def db(app, request):
     _db.drop_all()
+    _db.engine.execute(text('CREATE EXTENSION IF NOT EXISTS pg_trgm'))
     _db.create_all()
 
     _db.app = app