diff --git a/databricks/sdk/__init__.py b/databricks/sdk/__init__.py
index 141e7e44d..27607da1a 100755
--- a/databricks/sdk/__init__.py
+++ b/databricks/sdk/__init__.py
@@ -5,8 +5,7 @@
 
 import databricks.sdk.core as client
 import databricks.sdk.dbutils as dbutils
-import databricks.sdk.service as service
-from databricks.sdk import azure
+from databricks.sdk import azure, service
 from databricks.sdk.credentials_provider import CredentialsStrategy
 from databricks.sdk.mixins.compute import ClustersExt
 from databricks.sdk.mixins.files import DbfsExt, FilesExt
diff --git a/databricks/sdk/_base_client.py b/databricks/sdk/_base_client.py
index 90570de97..5af684cb6 100644
--- a/databricks/sdk/_base_client.py
+++ b/databricks/sdk/_base_client.py
@@ -43,17 +43,17 @@ class _BaseClient:
 
     def __init__(
         self,
-        debug_truncate_bytes: int = None,
-        retry_timeout_seconds: int = None,
-        user_agent_base: str = None,
-        header_factory: Callable[[], dict] = None,
-        max_connection_pools: int = None,
-        max_connections_per_pool: int = None,
-        pool_block: bool = True,
-        http_timeout_seconds: float = None,
-        extra_error_customizers: List[_ErrorCustomizer] = None,
-        debug_headers: bool = False,
-        clock: Clock = None,
+        debug_truncate_bytes: Optional[int] = None,
+        retry_timeout_seconds: Optional[int] = None,
+        user_agent_base: Optional[str] = None,
+        header_factory: Optional[Callable[[], dict]] = None,
+        max_connection_pools: Optional[int] = None,
+        max_connections_per_pool: Optional[int] = None,
+        pool_block: Optional[bool] = True,
+        http_timeout_seconds: Optional[float] = None,
+        extra_error_customizers: Optional[List[_ErrorCustomizer]] = None,
+        debug_headers: Optional[bool] = False,
+        clock: Optional[Clock] = None,
         streaming_buffer_size: int = 1024 * 1024,
     ):  # 1MB
         """
@@ -148,14 +148,14 @@ def do(
         self,
         method: str,
         url: str,
-        query: dict = None,
-        headers: dict = None,
-        body: dict = None,
+        query: Optional[dict] = None,
+        headers: Optional[dict] = None,
+        body: Optional[dict] = None,
         raw: bool = False,
         files=None,
         data=None,
-        auth: Callable[[requests.PreparedRequest], requests.PreparedRequest] = None,
-        response_headers: List[str] = None,
+        auth: Optional[Callable[[requests.PreparedRequest], requests.PreparedRequest]] = None,
+        response_headers: Optional[List[str]] = None,
     ) -> Union[dict, list, BinaryIO]:
         if headers is None:
             headers = {}
@@ -272,9 +272,9 @@ def _perform(
         self,
         method: str,
         url: str,
-        query: dict = None,
-        headers: dict = None,
-        body: dict = None,
+        query: Optional[dict] = None,
+        headers: Optional[dict] = None,
+        body: Optional[dict] = None,
         raw: bool = False,
         files=None,
         data=None,
@@ -325,10 +325,10 @@ class _StreamingResponse(BinaryIO):
     _closed: bool = False
 
     def fileno(self) -> int:
-        pass
+        return 0
 
-    def flush(self) -> int:
-        pass
+    def flush(self) -> int:  # type: ignore
+        return 0
 
     def __init__(self, response: _RawResponse, chunk_size: Union[int, None] = None):
         self._response = response
@@ -403,10 +403,10 @@ def truncate(self, __size: Union[int, None] = ...) -> int:
     def writable(self) -> bool:
         return False
 
-    def write(self, s: Union[bytes, bytearray]) -> int:
+    def write(self, s: Union[bytes, bytearray]) -> int:  # type: ignore
         raise NotImplementedError()
 
-    def writelines(self, lines: Iterable[bytes]) -> None:
+    def writelines(self, lines: Iterable[bytes]) -> None:  # type: ignore
         raise NotImplementedError()
 
     def __next__(self) -> bytes:
diff --git a/databricks/sdk/_widgets/ipywidgets_utils.py b/databricks/sdk/_widgets/ipywidgets_utils.py
index 6e002562e..3caff486d 100644
--- a/databricks/sdk/_widgets/ipywidgets_utils.py
+++ b/databricks/sdk/_widgets/ipywidgets_utils.py
@@ -30,7 +30,7 @@ def value(self):
         if type(value) == list or type(value) == tuple:
             return ",".join(value)
 
-        raise ValueError("The returned value has invalid type (" + type(value) + ").")
+        raise ValueError(f"The returned value has invalid type ({type(value)}).")
 
 
 class IPyWidgetUtil(WidgetUtils):
diff --git a/databricks/sdk/core.py b/databricks/sdk/core.py
index 203e84e6c..92e3dbf89 100644
--- a/databricks/sdk/core.py
+++ b/databricks/sdk/core.py
@@ -66,16 +66,16 @@ def get_oauth_token(self, auth_details: str) -> Token:
     def do(
         self,
         method: str,
-        path: str = None,
-        url: str = None,
-        query: dict = None,
-        headers: dict = None,
-        body: dict = None,
+        path: Optional[str] = None,
+        url: Optional[str] = None,
+        query: Optional[dict] = None,
+        headers: Optional[dict] = None,
+        body: Optional[dict] = None,
         raw: bool = False,
         files=None,
         data=None,
-        auth: Callable[[requests.PreparedRequest], requests.PreparedRequest] = None,
-        response_headers: List[str] = None,
+        auth: Optional[Callable[[requests.PreparedRequest], requests.PreparedRequest]] = None,
+        response_headers: Optional[List[str]] = None,
     ) -> Union[dict, list, BinaryIO]:
         if url is None:
             # Remove extra `/` from path for Files API
diff --git a/databricks/sdk/environments.py b/databricks/sdk/environments.py
index 170767a09..d14393329 100644
--- a/databricks/sdk/environments.py
+++ b/databricks/sdk/environments.py
@@ -113,7 +113,7 @@ def azure_active_directory_endpoint(self) -> Optional[str]:
 ]
 
 
-def get_environment_for_hostname(hostname: str) -> DatabricksEnvironment:
+def get_environment_for_hostname(hostname: Optional[str]) -> DatabricksEnvironment:
     if not hostname:
         return DEFAULT_ENVIRONMENT
     for env in ALL_ENVS:
diff --git a/databricks/sdk/errors/base.py b/databricks/sdk/errors/base.py
index 908172576..4e104c0b7 100644
--- a/databricks/sdk/errors/base.py
+++ b/databricks/sdk/errors/base.py
@@ -1,7 +1,7 @@
 import re
 import warnings
 from dataclasses import dataclass
-from typing import Dict, List, Optional
+from typing import Any, Dict, List, Optional
 
 import requests
 
@@ -12,10 +12,10 @@
 class ErrorDetail:
     def __init__(
         self,
-        type: str = None,
-        reason: str = None,
-        domain: str = None,
-        metadata: dict = None,
+        type: Optional[str] = None,
+        reason: Optional[str] = None,
+        domain: Optional[str] = None,
+        metadata: Optional[dict] = None,
         **kwargs,
     ):
         self.type = type
@@ -24,7 +24,7 @@ def __init__(
         self.metadata = metadata
 
     @classmethod
-    def from_dict(cls, d: Dict[str, any]) -> "ErrorDetail":
+    def from_dict(cls, d: Dict[str, Any]) -> "ErrorDetail":
         # Key "@type" is not a valid keyword argument name in Python. Rename
         # it to "type" to avoid conflicts.
         safe_args = {}
@@ -39,15 +39,15 @@ class DatabricksError(IOError):
 
     def __init__(
         self,
-        message: str = None,
+        message: Optional[str] = None,
         *,
-        error_code: str = None,
-        detail: str = None,
-        status: str = None,
-        scimType: str = None,
-        error: str = None,
-        retry_after_secs: int = None,
-        details: List[Dict[str, any]] = None,
+        error_code: Optional[str] = None,
+        detail: Optional[str] = None,
+        status: Optional[str] = None,
+        scimType: Optional[str] = None,
+        error: Optional[str] = None,
+        retry_after_secs: Optional[int] = None,
+        details: Optional[List[Dict[str, Any]]] = None,
         **kwargs,
     ):
         """
@@ -102,7 +102,7 @@ def __init__(
         super().__init__(message if message else error)
         self.error_code = error_code
         self.retry_after_secs = retry_after_secs
-        self._error_details = errdetails.parse_error_details(details)
+        self._error_details = errdetails.parse_error_details(details or [])
         self.kwargs = kwargs
 
         # Deprecated.
diff --git a/databricks/sdk/logger/round_trip_logger.py b/databricks/sdk/logger/round_trip_logger.py
index e6ac5e80b..7ff9d55c9 100644
--- a/databricks/sdk/logger/round_trip_logger.py
+++ b/databricks/sdk/logger/round_trip_logger.py
@@ -1,6 +1,6 @@
 import json
 import urllib.parse
-from typing import Dict, List
+from typing import Any, Dict, List
 
 import requests
 
@@ -99,7 +99,7 @@ def _recursive_marshal_list(self, s, budget) -> list:
             budget -= len(str(raw))
         return out
 
-    def _recursive_marshal(self, v: any, budget: int) -> any:
+    def _recursive_marshal(self, v: Any, budget: int) -> Any:
         if isinstance(v, dict):
             return self._recursive_marshal_dict(v, budget)
         elif isinstance(v, list):
diff --git a/databricks/sdk/mixins/workspace.py b/databricks/sdk/mixins/workspace.py
index 7476a4b83..f62ad5bff 100644
--- a/databricks/sdk/mixins/workspace.py
+++ b/databricks/sdk/mixins/workspace.py
@@ -1,11 +1,11 @@
-from typing import BinaryIO, Iterator, Optional, Union
+from typing import Any, BinaryIO, Iterator, Optional, Union
 
 from ..core import DatabricksError
 from ..service.workspace import (ExportFormat, ImportFormat, Language,
                                  ObjectInfo, ObjectType, WorkspaceAPI)
 
 
-def _fqcn(x: any) -> str:
+def _fqcn(x: Any) -> str:
     return f"{x.__module__}.{x.__name__}"
 
 
diff --git a/databricks/sdk/oauth.py b/databricks/sdk/oauth.py
index 4685efa5c..d2df2f0f5 100644
--- a/databricks/sdk/oauth.py
+++ b/databricks/sdk/oauth.py
@@ -78,9 +78,9 @@ def as_dict(self) -> dict:
 @dataclass
 class Token:
     access_token: str
-    token_type: str = None
-    refresh_token: str = None
-    expiry: datetime = None
+    token_type: Optional[str] = None
+    refresh_token: Optional[str] = None
+    expiry: Optional[datetime] = None
 
     @property
     def expired(self):
@@ -238,7 +238,7 @@ def _get_executor(cls):
 
     def __init__(
         self,
-        token: Token = None,
+        token: Optional[Token] = None,
         disable_async: bool = True,
         stale_duration: timedelta = _DEFAULT_STALE_DURATION,
     ):
@@ -248,7 +248,7 @@ def __init__(
         # Lock
         self._lock = threading.Lock()
         # Non Thread safe properties. They should be accessed only when protected by the lock above.
-        self._token = token
+        self._token = token or Token("")
         self._is_refreshing = False
         self._refresh_err = False
 
@@ -312,7 +312,7 @@ def _trigger_async_refresh(self):
         """Starts an asynchronous refresh if none is in progress."""
 
         def _refresh_internal():
-            new_token: Token = None
+            new_token = None
             try:
                 new_token = self.refresh()
             except Exception as e:
@@ -737,9 +737,9 @@ def __init__(
         host: str,
         oidc_endpoints: OidcEndpoints,
         client_id: str,
-        redirect_url: str = None,
-        client_secret: str = None,
-        scopes: List[str] = None,
+        redirect_url: Optional[str] = None,
+        client_secret: Optional[str] = None,
+        scopes: Optional[List[str]] = None,
     ) -> None:
         self._host = host
         self._client_id = client_id
diff --git a/databricks/sdk/retries.py b/databricks/sdk/retries.py
index e4408929d..5528a8978 100644
--- a/databricks/sdk/retries.py
+++ b/databricks/sdk/retries.py
@@ -11,11 +11,11 @@
 
 def retried(
     *,
-    on: Sequence[Type[BaseException]] = None,
-    is_retryable: Callable[[BaseException], Optional[str]] = None,
+    on: Optional[Sequence[Type[BaseException]]] = None,
+    is_retryable: Optional[Callable[[BaseException], Optional[str]]] = None,
     timeout=timedelta(minutes=20),
-    clock: Clock = None,
-    before_retry: Callable = None,
+    clock: Optional[Clock] = None,
+    before_retry: Optional[Callable] = None,
 ):
     has_allowlist = on is not None
     has_callback = is_retryable is not None
diff --git a/databricks/sdk/runtime/__init__.py b/databricks/sdk/runtime/__init__.py
index c4bfd042b..adf26c707 100644
--- a/databricks/sdk/runtime/__init__.py
+++ b/databricks/sdk/runtime/__init__.py
@@ -132,7 +132,7 @@ def inner() -> Dict[str, str]:
 
     try:
         # We expect this to fail locally since dbconnect does not support sparkcontext. This is just for typing
-        sc = spark.sparkContext
+        sc = spark.sparkContext  # type: ignore
     except Exception as e:
         logging.debug(f"Failed to initialize global 'sc', continuing. Cause: {e}")
 
diff --git a/pyproject.toml b/pyproject.toml
index 82c6be56a..72dab7d59 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,4 +75,11 @@ include = ["databricks", "databricks.*"]
 
 [tool.black]
 line-length = 120 
-target-version = ['py37', 'py38', 'py39', 'py310', 'py311','py312','py313']
\ No newline at end of file
+target-version = ['py37', 'py38', 'py39', 'py310', 'py311','py312','py313']
+
+[tool.pyright]
+include = ["."]
+exclude = ["**/node_modules", "**/__pycache__"]
+reportMissingImports = true
+reportMissingTypeStubs = false
+pythonVersion = "3.7"
\ No newline at end of file