Here's a quick patch that will at least make renpy work again for me. I haven't done an exhaustive search for other relative .rpy->.py imports, only fixed those that produce errors.
--- a/launcher/game/distribute.rpy +++ b/launcher/game/distribute.rpy @@ -35,7 +35,7 @@ import store.updater as updater import store as store - from change_icon import change_icons + from launcher.game.change_icon import change_icons import sys import os --- a/launcher/game/gui7.rpy +++ b/launcher/game/gui7.rpy @@ -28,8 +28,8 @@ init -1 python: - import gui7 - from gui7 import translate_define, translate_copy, translate_code + from launcher.game import gui7 + from launcher.game.gui7 import translate_define, translate_copy, translate_code import os --- a/launcher/game/gui7/__init__.py +++ b/launcher/game/gui7/__init__.py @@ -19,9 +19,9 @@ # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -from gui7.code import CodeGenerator, translate_define, translate_copy, translate_code -from gui7.images import ImageGenerator -from gui7.parameters import GuiParameters +from launcher.game.gui7.code import CodeGenerator, translate_define, translate_copy, translate_code +from launcher.game.gui7.images import ImageGenerator +from launcher.game.gui7.parameters import GuiParameters import renpy.arguments import os --- a/launcher/game/web.rpy +++ b/launcher/game/web.rpy @@ -26,7 +26,7 @@ init python: import shutil - import webserver + from launcher.game import webserver import io import tempfile import time