diff --git a/permit/pdp_api/base.py b/permit/pdp_api/base.py
index 6cfe529..5f28ba9 100644
--- a/permit/pdp_api/base.py
+++ b/permit/pdp_api/base.py
@@ -1,25 +1,19 @@
 from typing import Callable, TypeVar
 
-from permit import PermitConfig, PYDANTIC_VERSION
-
+from permit import PYDANTIC_VERSION, PermitConfig
 from permit.api.base import SimpleHttpClient
 
-
 if PYDANTIC_VERSION < (2, 0):
     from pydantic import BaseModel, Extra, Field, parse_obj_as
 else:
     from pydantic.v1 import BaseModel, Extra, Field, parse_obj_as  # type: ignore
 
 
-
-
 T = TypeVar("T", bound=Callable)
 TModel = TypeVar("TModel", bound=BaseModel)
 TData = TypeVar("TData", bound=BaseModel)
 
 
-
-
 def pagination_params(page: int, per_page: int) -> dict:
     return {"page": page, "per_page": per_page}
 
@@ -35,8 +29,6 @@ class Config:
     headers: dict = Field(..., description="http headers sent to the API server")
 
 
-
-
 class BasePdpPermitApi:
     """
     The base class for Permit APIs.
diff --git a/permit/pdp_api/models.py b/permit/pdp_api/models.py
index 1674236..fc4e737 100644
--- a/permit/pdp_api/models.py
+++ b/permit/pdp_api/models.py
@@ -4,7 +4,7 @@
 
 from __future__ import annotations
 
-from typing import  Optional
+from typing import Optional
 
 from ..utils.pydantic_version import PYDANTIC_VERSION
 
@@ -14,16 +14,14 @@
     from pydantic.v1 import BaseModel, Field  # type: ignore
 
 
-
 class RoleAssignment(BaseModel):
-    user: str = Field(..., description='the user the role is assigned to', title='User')
-    role: str = Field(..., description='the role that is assigned', title='Role')
+    user: str = Field(..., description="the user the role is assigned to", title="User")
+    role: str = Field(..., description="the role that is assigned", title="Role")
     tenant: str = Field(
-        ..., description='the tenant the role is associated with', title='Tenant'
+        ..., description="the tenant the role is associated with", title="Tenant"
     )
     resource_instance: Optional[str] = Field(
         None,
-        description='the resource instance the role is associated with',
-        title='Resource Instance',
+        description="the resource instance the role is associated with",
+        title="Resource Instance",
     )
-
diff --git a/permit/pdp_api/role_assignments.py b/permit/pdp_api/role_assignments.py
index e1584fb..7519287 100644
--- a/permit/pdp_api/role_assignments.py
+++ b/permit/pdp_api/role_assignments.py
@@ -1,8 +1,7 @@
 from typing import List, Optional
 
-from permit.api.base import SimpleHttpClient
-
 from permit import PYDANTIC_VERSION
+from permit.api.base import SimpleHttpClient
 from permit.pdp_api.base import BasePdpPermitApi, pagination_params
 from permit.pdp_api.models import RoleAssignment
 
@@ -12,15 +11,10 @@
     from pydantic.v1 import validate_arguments  # type: ignore
 
 
-
-
 class RoleAssignmentsApi(BasePdpPermitApi):
     @property
     def __role_assignments(self) -> SimpleHttpClient:
-        return self._build_http_client(
-            "/local/role_assignments"
-        )
-
+        return self._build_http_client("/local/role_assignments")
 
     @validate_arguments
     async def list(
diff --git a/permit/permit.py b/permit/permit.py
index 86c5eab..0a1c0a6 100644
--- a/permit/permit.py
+++ b/permit/permit.py
@@ -22,7 +22,7 @@ def __init__(self, config: Optional[PermitConfig] = None, **options):
         self._enforcer = Enforcer(self._config)
         self._api = PermitApiClient(self._config)
         self._elements = ElementsApi(self._config)
-        self. _pdp_api = PermitPdpApiClient(self._config)
+        self._pdp_api = PermitPdpApiClient(self._config)
         logger.debug(
             "Permit SDK initialized with config:\n${}",
             json.dumps(self._config.dict(exclude={"api_context"})),
@@ -77,7 +77,6 @@ def pdp_api(self) -> PermitPdpApiClient:
         """
         return self._pdp_api
 
-
     async def bulk_check(
         self,
         checks: list[CheckQuery],