Issue #28139: Fix messed up indentation

Also update the classmethod and staticmethod doc strings and comments to
match the RST documentation.
diff --git a/Modules/main.c b/Modules/main.c
index ef9b245..44217c6 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -153,15 +153,15 @@
             (void) PyRun_SimpleFileExFlags(fp, startup, 0, cf);
             PyErr_Clear();
             fclose(fp);
-           } else {
-                    int save_errno;
-                    save_errno = errno;
-                    PySys_WriteStderr("Could not open PYTHONSTARTUP\n");
-                    errno = save_errno;
-                    PyErr_SetFromErrnoWithFilename(PyExc_IOError,
-                                                   startup);
-                    PyErr_Print();
-                    PyErr_Clear();
+        } else {
+            int save_errno;
+            save_errno = errno;
+            PySys_WriteStderr("Could not open PYTHONSTARTUP\n");
+            errno = save_errno;
+            PyErr_SetFromErrnoWithFilename(PyExc_IOError,
+                                           startup);
+            PyErr_Print();
+            PyErr_Clear();
         }
     }
 }