diff --git a/deta/base.py b/deta/base.py
index 46269a1..3304e41 100644
--- a/deta/base.py
+++ b/deta/base.py
@@ -1,5 +1,4 @@
 import os
-import json
 import typing
 from urllib.parse import quote
 
@@ -25,11 +24,7 @@ def items(self):
         return self._items
 
     def __eq__(self, other):
-        return (
-            self.count == other.count
-            and self.last == other.last
-            and self.items == other.items
-        )
+        return self.count == other.count and self.last == other.last and self.items == other.items
 
 
 class Util:
@@ -111,9 +106,7 @@ def insert(self, data: typing.Union[dict, list, str, int, bool], key: str = None
         if key:
             data["key"] = key
 
-        code, res = self._request(
-            "/items", "POST", {"item": data}, content_type=JSON_MIME
-        )
+        code, res = self._request("/items", "POST", {"item": data}, content_type=JSON_MIME)
         if code == 201:
             return res
         elif code == 409:
@@ -133,9 +126,7 @@ def put(self, data: typing.Union[dict, list, str, int, bool], key: str = None):
         if key:
             data["key"] = key
 
-        code, res = self._request(
-            "/items", "PUT", {"items": [data]}, content_type=JSON_MIME
-        )
+        code, res = self._request("/items", "PUT", {"items": [data]}, content_type=JSON_MIME)
         return res["processed"]["items"][0] if res and code == 207 else None
 
     def put_many(self, items: typing.List[typing.Union[dict, list, str, int, bool]]):
@@ -147,9 +138,7 @@ def put_many(self, items: typing.List[typing.Union[dict, list, str, int, bool]])
             else:
                 _items.append(i)
 
-        _, res = self._request(
-            "/items", "PUT", {"items": _items}, content_type=JSON_MIME
-        )
+        _, res = self._request("/items", "PUT", {"items": _items}, content_type=JSON_MIME)
         return res
 
     def _fetch(
diff --git a/deta/drive.py b/deta/drive.py
index f2452e1..59c3dfc 100644
--- a/deta/drive.py
+++ b/deta/drive.py
@@ -1,9 +1,7 @@
 import os
 import typing
-import http
 from io import BufferedIOBase, TextIOBase, RawIOBase, StringIO, BytesIO
 from urllib.parse import quote_plus
-import http.client
 
 from .service import JSON_MIME, _Service
 
@@ -28,7 +26,7 @@ def iter_chunks(self, chunk_size: int = 1024):
             if not chunk:
                 break
             yield chunk
-        
+
     def iter_lines(self, chunk_size: int = 1024):
         while True:
             chunk = self.__stream.readline(chunk_size)
@@ -73,9 +71,7 @@ def get(self, name: str):
         Returns a DriveStreamingBody.
         """
         assert name, "No name provided"
-        _, res = self._request(
-            f"/files/download?name={self._quote(name)}", "GET", stream=True
-        )
+        _, res = self._request(f"/files/download?name={self._quote(name)}", "GET", stream=True)
         if res:
             return DriveStreamingBody(res)
         return None
@@ -87,9 +83,7 @@ def delete_many(self, names: typing.List[str]):
         """
         assert names, "Names is empty"
         assert len(names) <= 1000, "More than 1000 names to delete"
-        _, res = self._request(
-            "/files", "DELETE", {"names": names}, content_type=JSON_MIME
-        )
+        _, res = self._request("/files", "DELETE", {"names": names}, content_type=JSON_MIME)
         return res
 
     def delete(self, name: str):
diff --git a/deta/service.py b/deta/service.py
index e1f1cdf..36df612 100644
--- a/deta/service.py
+++ b/deta/service.py
@@ -24,9 +24,7 @@ def __init__(
         self.host = host
         self.timeout = timeout
         self.keep_alive = keep_alive
-        self.client = (
-            http.client.HTTPSConnection(host, timeout=timeout) if keep_alive else None
-        )
+        self.client = http.client.HTTPSConnection(host, timeout=timeout) if keep_alive else None
 
     def _is_socket_closed(self):
         if not self.client.sock:
@@ -92,9 +90,7 @@ def _request(
 
         ## return json if application/json
         payload = (
-            json.loads(res.read())
-            if JSON_MIME in res.getheader("content-type")
-            else res.read()
+            json.loads(res.read()) if JSON_MIME in res.getheader("content-type") else res.read()
         )
 
         if not self.keep_alive:
@@ -113,9 +109,7 @@ def _send_request_with_retry(
         while retry > 0:
             try:
                 if not self.keep_alive or reinitializeConnection:
-                    self.client = http.client.HTTPSConnection(
-                        host=self.host, timeout=self.timeout
-                    )
+                    self.client = http.client.HTTPSConnection(host=self.host, timeout=self.timeout)
 
                 self.client.request(
                     method,
diff --git a/tests.py b/tests.py
index 9162627..901ba26 100644
--- a/tests.py
+++ b/tests.py
@@ -277,9 +277,7 @@ def test_fetch(self):
         )
         self.assertEqual(res3, expectedItem)
 
-        res4 = self.db.fetch(
-            [{"value?gt": 6}, {"value?lt": 50}], limit=2, last="existing2"
-        )
+        res4 = self.db.fetch([{"value?gt": 6}, {"value?lt": 50}], limit=2, last="existing2")
         expectedItem = FetchResponse(
             1,
             None,
@@ -317,9 +315,7 @@ def test_update(self):
         self.assertEqual(self.db.get("existing4"), expectedItem)
 
         self.assertIsNone(
-            self.db.update(
-                {"value.name": self.db.util.trim(), "value.age": 32}, "existing4"
-            )
+            self.db.update({"value.name": self.db.util.trim(), "value.age": 32}, "existing4")
         )
         expectedItem = {"key": "existing4", "value": {"age": 32}}
         self.assertEqual(self.db.get("existing4"), expectedItem)