--- /dev/null
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams
+#
+# SPDX-License-Identifier: MIT
+
+"""
+`busdisplay._displaybus`
+================================================================================
+
+Type aliases for Blinka
+
+**Software and Dependencies:**
+
+* Adafruit Blinka:
+ https://github.com/adafruit/Adafruit_Blinka/releases
+
+* Author(s): Melissa LeBlanc-Williams
+
+"""
+
+from typing import Union
+import paralleldisplaybus
+import fourwire
+import i2cdisplaybus
+
+__version__ = "0.0.0+auto.0"
+__repo__ = "https://github.com/adafruit/Adafruit_Blinka_Displayio.git"
+
+_DisplayBus = Union[fourwire.FourWire, i2cdisplaybus.I2CDisplayBus, paralleldisplaybus.ParallelBus]