Fix all imports to be absolute and not relative

src/pilgrim/models/travel_diary.py

@@ -3,10 +3,11 @@ from typing import Any
 from sqlalchemy import Column, Integer, String, UniqueConstraint
 from sqlalchemy.orm import relationship
 
-from .. import database
+from pilgrim.database import Base
 
 
-class TravelDiary(database.Base):
+
+class TravelDiary(Base):
     __tablename__ = "travel_diaries"
     id = Column(Integer, primary_key=True)
     name = Column(String, nullable=False)