Issue #28585: Restored docstring of os._isdir().

diff --cc Modules/clinic/posixmodule.c.h
index 72d78342110496e267ba332d9b2ebc8d17a194a9,b3521d81c6aae2765ccacec258d351d881ab8311..f63a3beabf9ef735ad19e310236117a9a8212748
--- 1/Modules/clinic/posixmodule.c.h
--- 2/Modules/clinic/posixmodule.c.h
+++ b/Modules/clinic/posixmodule.c.h
@@@ -6144,8 -5785,4 +6145,8 @@@ exit
  #ifndef OS_SET_HANDLE_INHERITABLE_METHODDEF
      #define OS_SET_HANDLE_INHERITABLE_METHODDEF
  #endif /* !defined(OS_SET_HANDLE_INHERITABLE_METHODDEF) */
 -/*[clinic end generated code: output=7690b72549d2524e input=a9049054013a1b77]*/
 +
 +#ifndef OS_GETRANDOM_METHODDEF
 +    #define OS_GETRANDOM_METHODDEF
 +#endif /* !defined(OS_GETRANDOM_METHODDEF) */
- /*[clinic end generated code: output=b9ed5703d2feb0d9 input=a9049054013a1b77]*/
++/*[clinic end generated code: output=50cfb7ebc44efb67 input=a9049054013a1b77]*/

diff --cc Modules/posixmodule.c
Simple merge