diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index bc6ecd4e81e..20331a3905b 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -160,7 +160,7 @@ typedef uint8_t Py_UCS1;
 
 #define Py_UNICODE_FILL(target, value, length) \
     do {Py_ssize_t i_; Py_UNICODE *t_ = (target); Py_UNICODE v_ = (value);\
-    for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\
+        for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\
     } while (0)
 
 /* macros to work with surrogates */
diff --git a/Modules/_localemodule.c b/Modules/_localemodule.c
index 8259180f823..feb38029008 100644
--- a/Modules/_localemodule.c
+++ b/Modules/_localemodule.c
@@ -54,9 +54,10 @@ copy_grouping(const char* s)
     int i;
     PyObject *result, *val = NULL;
 
-    if (s[0] == '\0')
+    if (s[0] == '\0') {
         /* empty string: no grouping at all */
         return PyList_New(0);
+    }
 
     for (i = 0; s[i] != '\0' && s[i] != CHAR_MAX; i++)
         ; /* nothing */
diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index 7bd18ac49e8..8875b264b50 100644
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -26,7 +26,7 @@ conv_descriptor(PyObject *object, int *target)
     int fd = PyObject_AsFileDescriptor(object);
 
     if (fd < 0)
-    return 0;
+        return 0;
     *target = fd;
     return 1;
 }
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index 8ca579185e0..e27075b2001 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -154,18 +154,18 @@ itimer_retval(struct itimerval *iv)
 
     r = PyTuple_New(2);
     if (r == NULL)
-    return NULL;
+        return NULL;
 
     if(!(v = PyFloat_FromDouble(double_from_timeval(&iv->it_value)))) {
-    Py_DECREF(r);
-    return NULL;
+        Py_DECREF(r);
+        return NULL;
     }
 
     PyTuple_SET_ITEM(r, 0, v);
 
     if(!(v = PyFloat_FromDouble(double_from_timeval(&iv->it_interval)))) {
-    Py_DECREF(r);
-    return NULL;
+        Py_DECREF(r);
+        return NULL;
     }
 
     PyTuple_SET_ITEM(r, 1, v);
@@ -1433,9 +1433,9 @@ PyInit__signal(void)
 
 #if defined (HAVE_SETITIMER) || defined (HAVE_GETITIMER)
     ItimerError = PyErr_NewException("signal.ItimerError",
-     PyExc_IOError, NULL);
+            PyExc_IOError, NULL);
     if (ItimerError != NULL)
-    PyDict_SetItemString(d, "ItimerError", ItimerError);
+        PyDict_SetItemString(d, "ItimerError", ItimerError);
 #endif
 
 #ifdef CTRL_C_EVENT
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index e87f790fb0b..d25bd7f7980 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -2061,12 +2061,13 @@ getsockaddrlen(PySocketSockObject *s, socklen_t *len_ret)
         return 1;
     }
 #endif /* AF_UNIX */
+
 #if defined(AF_NETLINK)
-       case AF_NETLINK:
-       {
-           *len_ret = sizeof (struct sockaddr_nl);
-           return 1;
-       }
+    case AF_NETLINK:
+    {
+        *len_ret = sizeof (struct sockaddr_nl);
+        return 1;
+    }
 #endif
 
 #ifdef AF_RDS
diff --git a/Objects/funcobject.c b/Objects/funcobject.c
index 261c16d5715..69cd973384b 100644
--- a/Objects/funcobject.c
+++ b/Objects/funcobject.c
@@ -674,8 +674,9 @@ PyTypeObject PyFunction_Type = {
    To declare a class method, use this idiom:
 
      class C:
-     def f(cls, arg1, arg2, ...): ...
-     f = classmethod(f)
+         @classmethod
+         def f(cls, arg1, arg2, ...):
+             ...
 
    It can be called either on the class (e.g. C.f()) or on an instance
    (e.g. C().f()); the instance is ignored except for its class.
@@ -785,8 +786,9 @@ just like an instance method receives the instance.\n\
 To declare a class method, use this idiom:\n\
 \n\
   class C:\n\
-      def f(cls, arg1, arg2, ...): ...\n\
-      f = classmethod(f)\n\
+      @classmethod\n\
+      def f(cls, arg1, arg2, ...):\n\
+          ...\n\
 \n\
 It can be called either on the class (e.g. C.f()) or on an instance\n\
 (e.g. C().f()).  The instance is ignored except for its class.\n\
@@ -857,8 +859,9 @@ PyClassMethod_New(PyObject *callable)
    To declare a static method, use this idiom:
 
      class C:
-     def f(arg1, arg2, ...): ...
-     f = staticmethod(f)
+         @staticmethod
+         def f(arg1, arg2, ...):
+             ...
 
    It can be called either on the class (e.g. C.f()) or on an instance
    (e.g. C().f()); the instance is ignored except for its class.
@@ -963,8 +966,9 @@ A static method does not receive an implicit first argument.\n\
 To declare a static method, use this idiom:\n\
 \n\
      class C:\n\
-     def f(arg1, arg2, ...): ...\n\
-     f = staticmethod(f)\n\
+         @staticmethod\n\
+         def f(arg1, arg2, ...):\n\
+             ...\n\
 \n\
 It can be called either on the class (e.g. C.f()) or on an instance\n\
 (e.g. C().f()).  The instance is ignored except for its class.\n\
diff --git a/PC/bdist_wininst/install.c b/PC/bdist_wininst/install.c
index e01dba69545..fd977f5a554 100644
--- a/PC/bdist_wininst/install.c
+++ b/PC/bdist_wininst/install.c
@@ -1661,16 +1661,16 @@ SelectPythonDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
                     PropSheet_SetWizButtons(GetParent(hwnd),
                                             PSWIZB_BACK | PSWIZB_NEXT);
                     /* Get the python directory */
-            ivi = (InstalledVersionInfo *)
+                    ivi = (InstalledVersionInfo *)
                         SendDlgItemMessage(hwnd,
-                                                                IDC_VERSIONS_LIST,
-                                                                LB_GETITEMDATA,
-                                                                id,
-                                                                0);
-            hkey_root = ivi->hkey;
-                                strcpy(python_dir, ivi->prefix);
-                                SetDlgItemText(hwnd, IDC_PATH, python_dir);
-                                /* retrieve the python version and pythondll to use */
+                            IDC_VERSIONS_LIST,
+                            LB_GETITEMDATA,
+                            id,
+                            0);
+                    hkey_root = ivi->hkey;
+                    strcpy(python_dir, ivi->prefix);
+                    SetDlgItemText(hwnd, IDC_PATH, python_dir);
+                    /* retrieve the python version and pythondll to use */
                     result = SendDlgItemMessage(hwnd, IDC_VERSIONS_LIST,
                                                  LB_GETTEXTLEN, (WPARAM)id, 0);
                     pbuf = (char *)malloc(result + 1);