diff --git a/backend/alembic/versions/eb472f05f70e_recreate_tables.py b/backend/alembic/versions/eb472f05f70e_recreate_tables.py
index 98cf2a2c..eee42a68 100644
--- a/backend/alembic/versions/eb472f05f70e_recreate_tables.py
+++ b/backend/alembic/versions/eb472f05f70e_recreate_tables.py
@@ -21,39 +21,42 @@
 def upgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
     op.create_table('subject',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(), nullable=False),
-    sa.PrimaryKeyConstraint('id')
-    )
+                    sa.Column('id', sa.Integer(), nullable=False),
+                    sa.Column('name', sa.String(), nullable=False),
+                    sa.PrimaryKeyConstraint('id')
+                    )
     op.create_table('website_user',
-    sa.Column('uid', sa.String(), nullable=False),
-    sa.Column('given_name', sa.String(), nullable=False),
-    sa.Column('mail', sa.String(), nullable=False),
-    sa.Column('is_admin', sa.Boolean(), nullable=False),
-    sa.PrimaryKeyConstraint('uid')
-    )
+                    sa.Column('uid', sa.String(), nullable=False),
+                    sa.Column('given_name', sa.String(), nullable=False),
+                    sa.Column('mail', sa.String(), nullable=False),
+                    sa.Column('is_admin', sa.Boolean(), nullable=False),
+                    sa.PrimaryKeyConstraint('uid')
+                    )
     op.create_table('project',
-    sa.Column('id', sa.BigInteger(), autoincrement=True, nullable=False),
-    sa.Column('deadline', sa.Date(), nullable=False, check_constraint='deadline >= CURRENT_DATE'),
-    sa.Column('name', sa.String(), nullable=False),
-    sa.Column('subjectId', sa.String(), nullable=True),
-    sa.Column('description', sa.String(), nullable=True),
-    sa.ForeignKeyConstraint(['subjectId'], ['subject.id'], ondelete='SET NULL'),
-    sa.PrimaryKeyConstraint('id')
-    )
+                    sa.Column('id', sa.BigInteger(),
+                              autoincrement=True, nullable=False),
+                    sa.Column('deadline', sa.Date(), nullable=False,
+                              check_constraint='deadline >= CURRENT_DATE'),
+                    sa.Column('name', sa.String(), nullable=False),
+                    sa.Column('subjectId', sa.String(), nullable=True),
+                    sa.Column('description', sa.String(), nullable=True),
+                    sa.ForeignKeyConstraint(
+                        ['subjectId'], ['subject.id'], ondelete='SET NULL'),
+                    sa.PrimaryKeyConstraint('id')
+                    )
     op.create_index(op.f('ix_project_id'), 'project', ['id'], unique=False)
     op.create_table('student_subject',
-    sa.Column('uid', sa.String(), nullable=True),
-    sa.Column('subject_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
-    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
-    )
+                    sa.Column('uid', sa.String(), nullable=True),
+                    sa.Column('subject_id', sa.Integer(), nullable=True),
+                    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
+                    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
+                    )
     op.create_table('teacher_subject',
-    sa.Column('uid', sa.String(), nullable=True),
-    sa.Column('subject_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
-    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
-    )
+                    sa.Column('uid', sa.String(), nullable=True),
+                    sa.Column('subject_id', sa.Integer(), nullable=True),
+                    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
+                    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
+                    )
     # ### end Alembic commands ###
 
 
diff --git a/backend/alembic/versions/fc317e930257_correct_project_subjectid_type.py b/backend/alembic/versions/fc317e930257_correct_project_subjectid_type.py
index fbf2e9fe..367b0dee 100644
--- a/backend/alembic/versions/fc317e930257_correct_project_subjectid_type.py
+++ b/backend/alembic/versions/fc317e930257_correct_project_subjectid_type.py
@@ -21,39 +21,42 @@
 def upgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
     op.create_table('subject',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(), nullable=False),
-    sa.PrimaryKeyConstraint('id')
-    )
+                    sa.Column('id', sa.Integer(), nullable=False),
+                    sa.Column('name', sa.String(), nullable=False),
+                    sa.PrimaryKeyConstraint('id')
+                    )
     op.create_table('website_user',
-    sa.Column('uid', sa.String(), nullable=False),
-    sa.Column('given_name', sa.String(), nullable=False),
-    sa.Column('mail', sa.String(), nullable=False),
-    sa.Column('is_admin', sa.Boolean(), nullable=False),
-    sa.PrimaryKeyConstraint('uid')
-    )
+                    sa.Column('uid', sa.String(), nullable=False),
+                    sa.Column('given_name', sa.String(), nullable=False),
+                    sa.Column('mail', sa.String(), nullable=False),
+                    sa.Column('is_admin', sa.Boolean(), nullable=False),
+                    sa.PrimaryKeyConstraint('uid')
+                    )
     op.create_table('project',
-    sa.Column('id', sa.BigInteger(), autoincrement=True, nullable=False),
-    sa.Column('deadline', sa.Date(), nullable=False),
-    sa.Column('name', sa.String(), nullable=False),
-    sa.Column('subject_id', sa.BigInteger(), nullable=True),
-    sa.Column('description', sa.String(), nullable=True),
-    sa.CheckConstraint('deadline >= CURRENT_DATE', name='deadline_check'),
-    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ondelete='SET NULL'),
-    sa.PrimaryKeyConstraint('id')
-    )
+                    sa.Column('id', sa.BigInteger(),
+                              autoincrement=True, nullable=False),
+                    sa.Column('deadline', sa.Date(), nullable=False),
+                    sa.Column('name', sa.String(), nullable=False),
+                    sa.Column('subject_id', sa.BigInteger(), nullable=True),
+                    sa.Column('description', sa.String(), nullable=True),
+                    sa.CheckConstraint('deadline >= CURRENT_DATE',
+                                       name='deadline_check'),
+                    sa.ForeignKeyConstraint(
+                        ['subject_id'], ['subject.id'], ondelete='SET NULL'),
+                    sa.PrimaryKeyConstraint('id')
+                    )
     op.create_table('student_subject',
-    sa.Column('uid', sa.String(), nullable=True),
-    sa.Column('subject_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
-    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
-    )
+                    sa.Column('uid', sa.String(), nullable=True),
+                    sa.Column('subject_id', sa.Integer(), nullable=True),
+                    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
+                    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
+                    )
     op.create_table('teacher_subject',
-    sa.Column('uid', sa.String(), nullable=True),
-    sa.Column('subject_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
-    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
-    )
+                    sa.Column('uid', sa.String(), nullable=True),
+                    sa.Column('subject_id', sa.Integer(), nullable=True),
+                    sa.ForeignKeyConstraint(['subject_id'], ['subject.id'], ),
+                    sa.ForeignKeyConstraint(['uid'], ['website_user.uid'], )
+                    )
     # ### end Alembic commands ###
 
 
diff --git a/backend/src/main.py b/backend/src/main.py
index 45972696..20b870fa 100644
--- a/backend/src/main.py
+++ b/backend/src/main.py
@@ -26,6 +26,7 @@
 app.include_router(project_router)
 
 
+
 @app.get("/api")
 async def root():
     return {"message": "Hello World"}
diff --git a/backend/src/project/models.py b/backend/src/project/models.py
index f4a6d18a..ad4906a4 100644
--- a/backend/src/project/models.py
+++ b/backend/src/project/models.py
@@ -9,7 +9,8 @@ class Project(Base):
     id = Column(BigInteger, primary_key=True, autoincrement=True)
     deadline = Column(Date, nullable=False)
     name = Column(String, nullable=False)
-    subject_id = Column(BigInteger, ForeignKey('subject.id', ondelete="SET NULL"), nullable=True)  # Adjusted to BigInteger
+    subject_id = Column(BigInteger, ForeignKey(
+        'subject.id', ondelete="SET NULL"), nullable=True)  # Adjusted to BigInteger
     description = Column(String, nullable=True)
     enroll_deadline = Column(Date, nullable=True)