fixed migrations

migrations/versions/add_trashed_file_table.py

@@ -7,6 +7,7 @@ Create Date: 2024-03-19 10:00:00.000000
 """
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy import inspect
 from sqlalchemy.dialects import postgresql
 
 # revision identifiers, used by Alembic.
@@ -17,7 +18,12 @@ depends_on = None
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('trashed_file',
+        conn = op.get_bind()
+    inspector = inspect(conn)
+    tables = inspector.get_table_names()
+    
+    if 'trashed_file' not in tables:
+        op.create_table('trashed_file',
         sa.Column('id', sa.Integer(), nullable=False),
         sa.Column('room_id', sa.Integer(), nullable=False),
         sa.Column('name', sa.String(length=255), nullable=False),