Remove numpy import

Hotfixes issues with `adafruit_bus_device` and other libraries that are importing `circuitpython_typing` on Blinka platforms!

diff --git a/src/circuitpython_typing.py b/src/circuitpython_typing.py
index 3ab01c3f5c4a1434bd715b3b6386d162e5eb1b30..11d0c4e3e1d843eedfe2b81b219f1c66644541cf 100644 (file)
--- a/src/circuitpython_typing.py
+++ b/src/circuitpython_typing.py
@@ -30,7 +30,6 @@ See `CircuitPython:circuitpython_typing` in CircuitPython for more details.
 
 from typing import Union
 from array import array
-from numpy import ndarray
 
 ReadableBuffer = Union[bytes, bytearray, memoryview, array, ndarray]
 """Classes that implement the readable buffer protocol
@@ -39,7 +38,6 @@ ReadableBuffer = Union[bytes, bytearray, memoryview, array, ndarray]
   * `bytearray`
   * `memoryview`
   * `array.array`
-  * ``numpy.ndarray``
 """
 
 WriteableBuffer = Union[bytearray, memoryview, array, ndarray]
@@ -48,5 +46,4 @@ WriteableBuffer = Union[bytearray, memoryview, array, ndarray]
   * `bytearray`
   * `memoryview`
   * `array.array`
-  * ``numpy.ndarray``
 """