Remove unrequired PyCFunction casts

src/db.c

@@ -244,7 +244,7 @@ static struct PyMethodDef db_methods[] = {
     "get contents of a group\n"
     "args: a group name (string)\n"
     "returns: a tuple (group name, list of packages)" },
-  { "update", (PyCFunction)pyalpm_db_update, METH_VARARGS | METH_KEYWORDS,
+  { "update", pyalpm_db_update, METH_VARARGS | METH_KEYWORDS,
     "update a database from its url attribute\n"
     "args: force (update even if DB is up to date, boolean)\n"
     "returns: True if an update has been done" },

src/handle.c

@@ -183,7 +183,7 @@ static struct _alpm_cb_getset cb_getsets[N_CALLBACKS] = {
  * stored in static variables, and the reference count is
  * increased accordingly.
  *
- * These Python functions are wrapped into C functions 
+ * These Python functions are wrapped into C functions
  * that are passed to libalpm.
  */
 PyObject *global_py_callbacks[N_CALLBACKS];
@@ -316,7 +316,7 @@ struct PyGetSetDef pyalpm_handle_getset[] = {
 
 static PyMethodDef pyalpm_handle_methods[] = {
   /* Transaction initialization */
-  {"init_transaction",    (PyCFunction)pyalpm_trans_init, METH_VARARGS | METH_KEYWORDS,
+  {"init_transaction",    pyalpm_trans_init, METH_VARARGS | METH_KEYWORDS,
     "Initializes a transaction.\n"
     "Arguments:\n"
     "  nodeps, force, nosave, nodepversion, cascade, recurse,\n"
@@ -326,7 +326,7 @@ static PyMethodDef pyalpm_handle_methods[] = {
   },
 
   /* Package load */
-  {"load_pkg", (PyCFunction)pyalpm_package_load, METH_VARARGS | METH_KEYWORDS,
+  {"load_pkg", pyalpm_package_load, METH_VARARGS | METH_KEYWORDS,
     "loads package information from a tarball"},
 
   /* Database members */

src/transaction.c

@@ -439,7 +439,7 @@ static struct PyMethodDef pyalpm_trans_methods[] = {
     "append a package addition to transaction"},
   {"remove_pkg", pyalpm_trans_remove_pkg, METH_VARARGS,
     "append a package removal to transaction"},
-  {"sysupgrade", (PyCFunction)pyalpm_trans_sysupgrade, METH_VARARGS | METH_KEYWORDS,
+  {"sysupgrade", pyalpm_trans_sysupgrade, METH_VARARGS | METH_KEYWORDS,
     "set the transaction to perform a system upgrade\n"
     "args:\n"
     "  transaction (boolean) : whether to enable downgrades\n" },