diff --git a/src/ohmyapi/db/__init__.py b/src/ohmyapi/db/__init__.py
index 6dfff3b..94b339c 100644
--- a/src/ohmyapi/db/__init__.py
+++ b/src/ohmyapi/db/__init__.py
@@ -1,3 +1,2 @@
-from tortoise import fields as field
-from .model import Model
+from .model import Model, field
 
diff --git a/src/ohmyapi/db/exceptions.py b/src/ohmyapi/db/exceptions.py
new file mode 100644
index 0000000..19d761c
--- /dev/null
+++ b/src/ohmyapi/db/exceptions.py
@@ -0,0 +1,2 @@
+from tortoise.exceptions import *
+
diff --git a/src/ohmyapi/db/model/__init__.py b/src/ohmyapi/db/model/__init__.py
index c55f1df..15f7765 100644
--- a/src/ohmyapi/db/model/__init__.py
+++ b/src/ohmyapi/db/model/__init__.py
@@ -1 +1 @@
-from .model import Model, fields
+from .model import Model, field
diff --git a/src/ohmyapi/db/model/model.py b/src/ohmyapi/db/model/model.py
index 9804f24..2bbc557 100644
--- a/src/ohmyapi/db/model/model.py
+++ b/src/ohmyapi/db/model/model.py
@@ -1,4 +1,4 @@
-from tortoise import fields
+from tortoise import fields as field
 from tortoise.models import Model as TortoiseModel
 from tortoise.contrib.pydantic import pydantic_model_creator, pydantic_queryset_creator
 
diff --git a/src/ohmyapi/router.py b/src/ohmyapi/router.py
index dad91d5..f7d5860 100644
--- a/src/ohmyapi/router.py
+++ b/src/ohmyapi/router.py
@@ -1,2 +1,2 @@
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, HTTPException