diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3baf502..55ff87e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,10 +22,10 @@ jobs:
         awk -F '\/' '{ print tolower($2) }' |
         tr '_' '-'
         )
-    - name: Set up Python 3.6
+    - name: Set up Python 3.7
       uses: actions/setup-python@v1
       with:
-        python-version: 3.6
+        python-version: 3.7
     - name: Versions
       run: |
         python3 --version
diff --git a/adafruit_ble_lywsd03mmc.py b/adafruit_ble_lywsd03mmc.py
index f47b1c3..dc653dc 100644
--- a/adafruit_ble_lywsd03mmc.py
+++ b/adafruit_ble_lywsd03mmc.py
@@ -25,7 +25,6 @@
 import struct
 
 import _bleio
-from adafruit_ble.attributes import Attribute
 from adafruit_ble.services import Service
 from adafruit_ble.uuid import VendorUUID
 from adafruit_ble.characteristics import Characteristic, ComplexCharacteristic
diff --git a/docs/conf.py b/docs/conf.py
index 6a5f588..226c901 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -25,7 +25,7 @@
 # Uncomment the below if you use native CircuitPython modules such as
 # digitalio, micropython and busio. List the modules you use. Without it, the
 # autodoc module docs will fail to generate with a warning.
-# autodoc_mock_imports = ["digitalio", "busio"]
+autodoc_mock_imports = ["bleak", "digitalio", "busio"]
 
 
 intersphinx_mapping = {
diff --git a/examples/ble_lywsd03mmc_simpletest.py b/examples/ble_lywsd03mmc_simpletest.py
index 1c8d6d5..792dba9 100644
--- a/examples/ble_lywsd03mmc_simpletest.py
+++ b/examples/ble_lywsd03mmc_simpletest.py
@@ -7,7 +7,6 @@
 import adafruit_ble
 from adafruit_ble.advertising.standard import (
     Advertisement,
-    ProvideServicesAdvertisement,
 )
 from adafruit_ble_lywsd03mmc import LYWSD03MMCService