diff --git a/Lib/pty.py b/Lib/pty.py
index 4b25ac32c8da14..f65ff77f7234ba 100644
--- a/Lib/pty.py
+++ b/Lib/pty.py
@@ -37,7 +37,7 @@ def openpty():
     try:
         from fcntl import ioctl, I_PUSH
     except ImportError:
-         return master_fd, slave_fd
+        return master_fd, slave_fd
     try:
         ioctl(slave_fd, I_PUSH, "ptem")
         ioctl(slave_fd, I_PUSH, "ldterm")
diff --git a/Lib/test/test_ast/test_ast.py b/Lib/test/test_ast/test_ast.py
index 01d2e392302e86..0af9229b26ce7c 100644
--- a/Lib/test/test_ast/test_ast.py
+++ b/Lib/test/test_ast/test_ast.py
@@ -3115,7 +3115,7 @@ def assert_ast(self, code, non_optimized_target, optimized_target):
         )
 
     def create_binop(self, operand, left=ast.Constant(1), right=ast.Constant(1)):
-            return ast.BinOp(left=left, op=self.binop[operand], right=right)
+        return ast.BinOp(left=left, op=self.binop[operand], right=right)
 
     def test_folding_binop(self):
         code = "1 %s 1"
diff --git a/Lib/test/test_asyncio/test_eager_task_factory.py b/Lib/test/test_asyncio/test_eager_task_factory.py
index 31d2a00dbb8c9c..655e45ff288cc1 100644
--- a/Lib/test/test_asyncio/test_eager_task_factory.py
+++ b/Lib/test/test_asyncio/test_eager_task_factory.py
@@ -288,15 +288,15 @@ class DummyLoop:
         self.assertFalse(err)
 
     def test_issue122332(self):
-       async def coro():
-           pass
+        async def coro():
+            pass
 
-       async def run():
-           task = self.loop.create_task(coro())
-           await task
-           self.assertIsNone(task.get_coro())
+        async def run():
+            task = self.loop.create_task(coro())
+            await task
+            self.assertIsNone(task.get_coro())
 
-       self.run_coro(run())
+        self.run_coro(run())
 
 
 class AsyncTaskCounter:
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 6f838da6018741..ca76822d56ab57 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -539,10 +539,10 @@ def test_compile_redundant_jumps_and_nops_after_moving_cold_blocks(self):
         # make all instruction locations the same to create redundancies
         for node in ast.walk(tree):
             if hasattr(node,"lineno"):
-                 del node.lineno
-                 del node.end_lineno
-                 del node.col_offset
-                 del node.end_col_offset
+                del node.lineno
+                del node.end_lineno
+                del node.col_offset
+                del node.end_col_offset
 
         compile(ast.fix_missing_locations(tree), "<file>", "exec")
 
@@ -564,10 +564,10 @@ def test_compile_redundant_jump_after_convert_pseudo_ops(self):
         # make all instruction locations the same to create redundancies
         for node in ast.walk(tree):
             if hasattr(node,"lineno"):
-                 del node.lineno
-                 del node.end_lineno
-                 del node.col_offset
-                 del node.end_col_offset
+                del node.lineno
+                del node.end_lineno
+                del node.col_offset
+                del node.end_col_offset
 
         compile(ast.fix_missing_locations(tree), "<file>", "exec")
 
diff --git a/Lib/test/test_ctypes/test_bitfields.py b/Lib/test/test_ctypes/test_bitfields.py
index 19ba2f4484e7da..d8b12d4509202b 100644
--- a/Lib/test/test_ctypes/test_bitfields.py
+++ b/Lib/test/test_ctypes/test_bitfields.py
@@ -153,7 +153,7 @@ def test_signed(self):
         for c_typ in signed_int_types:
             with self.subTest(c_typ):
                 if sizeof(c_typ) != alignment(c_typ):
-                     self.skipTest('assumes size=alignment')
+                    self.skipTest('assumes size=alignment')
                 class X(Structure):
                     _fields_ = [("dummy", c_typ),
                                 ("a", c_typ, 3),
@@ -173,7 +173,7 @@ def test_unsigned(self):
         for c_typ in unsigned_int_types:
             with self.subTest(c_typ):
                 if sizeof(c_typ) != alignment(c_typ):
-                     self.skipTest('assumes size=alignment')
+                    self.skipTest('assumes size=alignment')
                 class X(Structure):
                     _fields_ = [("a", c_typ, 3),
                                 ("b", c_typ, 3),
@@ -229,7 +229,7 @@ def test_single_bitfield_size(self):
         for c_typ in int_types:
             with self.subTest(c_typ):
                 if sizeof(c_typ) != alignment(c_typ):
-                     self.skipTest('assumes size=alignment')
+                    self.skipTest('assumes size=alignment')
                 result = self.fail_fields(("a", c_typ, -1))
                 self.assertEqual(result, (ValueError,
                     "number of bits invalid for bit field 'a'"))
diff --git a/Lib/test/test_ctypes/test_generated_structs.py b/Lib/test/test_ctypes/test_generated_structs.py
index cbd73c4e911e4e..4c95e9eac6a947 100644
--- a/Lib/test/test_ctypes/test_generated_structs.py
+++ b/Lib/test/test_ctypes/test_generated_structs.py
@@ -533,7 +533,7 @@ def dump_ctype(tp, struct_or_union_tag='', variable_name='', semi=''):
 
 def struct_or_union(cls):
     if issubclass(cls, Structure):
-         return 'struct'
+        return 'struct'
     if issubclass(cls, Union):
         return 'union'
     raise TypeError(cls)
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index 2f1f9e86a0bce4..a0bc383f9875c0 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -7472,7 +7472,7 @@ def test_no_generator_instantiation(self):
 
     def test_async_generator(self):
         async def f():
-             yield 42
+            yield 42
         g = f()
         self.assertIsSubclass(type(g), typing.AsyncGenerator)