Issue #27125: Remove duplicated words from documentation and comments
diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 9b8b042..e52da37 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -550,7 +550,7 @@
     int bin;                    /* Boolean, true if proto > 0 */
     int framing;                /* True when framing is enabled, proto >= 4 */
     Py_ssize_t frame_start;     /* Position in output_buffer where the
-                                   where the current frame begins. -1 if there
+                                   current frame begins. -1 if there
                                    is no frame currently open. */
 
     Py_ssize_t buf_size;        /* Size of the current buffered pickle data */