Fixed alembic head collision, formatted latest migration

shared/workspaces/alembic/versions/4cd2d7009346_add_casa_home_for_casa_envoy.py

-"""description of database changes
+# Copyright (C) 2023 Associated Universities, Inc. Washington DC, USA.
+#
+# This file is part of NRAO Workspaces.
+#
+# Workspaces is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Workspaces is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Workspaces.  If not, see <https://www.gnu.org/licenses/>.
+#
+"""Add CASA home for casa_envoy
 
 Revision ID: 4cd2d7009346
-Revises: 96477a05695d
+Revises: d822cf6844bb
 Create Date: 2024-05-13 09:55:18.903527
 
 """
-from alembic import op
 from pathlib import Path
 
+from alembic import op
 
 # revision identifiers, used by Alembic.
-revision = '4cd2d7009346'
-down_revision = '96477a05695d'
+revision = "4cd2d7009346"
+down_revision = "d822cf6844bb"
 branch_labels = None
 depends_on = None
 
-restore_cms_manifest_old_content = (Path.cwd() / "versions" / "templates" / "restore_cms" / "metadata_2.8.3.txt").read_text()
-restore_cms_manifest_new_content = (Path.cwd() / "versions" / "templates" / "restore_cms" / "metadata_2.8.4.txt").read_text()
+restore_cms_manifest_old_content = (
+    Path.cwd() / "versions" / "templates" / "restore_cms" / "metadata_2.8.3.txt"
+).read_text()
+restore_cms_manifest_new_content = (
+    Path.cwd() / "versions" / "templates" / "restore_cms" / "metadata_2.8.4.txt"
+).read_text()
+
 
 def upgrade():
     op.execute(