diff -Naur Python-2.7.9-orig/Modules/getpath.c Python-2.7.9/Modules/getpath.c
--- Python-2.7.9-orig/Modules/getpath.c	2014-12-11 13:50:39.187400000 +0300
+++ Python-2.7.9/Modules/getpath.c	2014-12-11 13:50:39.312200000 +0300
@@ -726,6 +726,29 @@
     }
     else
         strncpy(exec_prefix, EXEC_PREFIX, MAXPATHLEN);
+#ifdef MS_WINDOWS
+    if (path) {
+        /* Add path of executable/dll to system path. This
+         * is so that the correct tcl??.dll and tk??.dll get
+         * used. */
+        char *module_path = dllpath[0] ? dllpath : progpath;
+        char *new_path = alloca(strlen("PATH=")+strlen(module_path)+1+strlen(path)+1);
+        if (new_path) {
+            strcpy( new_path, "PATH=" );
+            strcat( new_path, module_path );
+            char *slashes = strchr( new_path, '/' );
+            while (slashes) {
+                *slashes = '\\';
+                slashes = strchr( slashes+1, '/' );
+            }
+            char *end = strrchr(new_path, '\\') ? strrchr(new_path, '\\') : new_path + strlen(new_path);
+            end[0] = ';';
+            end[1] = '\0';
+            strcat( new_path, path );
+            _putenv( new_path );
+        }
+    }
+#endif
 }