diff --git a/adafruit_lifx.py b/adafruit_lifx.py
index 5028e74..6e3af0d 100644
--- a/adafruit_lifx.py
+++ b/adafruit_lifx.py
@@ -45,18 +45,17 @@
 class LIFX:
     """HTTP Interface for interacting with the LIFX API
 
-    :param wifi_manager: WiFiManager from ESPSPI_WiFiManager/ESPAT_WiFiManager
-        or session from adafruit_requests.Session
+    :param wifi_manager wifi_manager: WiFiManager or Session
     :param str lifx_token: LIFX API token (https://api.developer.lifx.com/docs/authentication)
     """
 
     def __init__(self, wifi_manager: HTTPProtocol, lifx_token: str) -> None:
-        wifi_type = str(type(wifi_manager))
-        allowed_wifi_types = ("ESPSPI_WiFiManager", "ESPAT_WiFiManager", "Session")
-        if any(x in wifi_type for x in allowed_wifi_types):
-            self._wifi = wifi_manager
-        else:
-            raise TypeError("This library requires a WiFiManager or Session object.")
+        for attr in ("get", "post", "put"):
+            if not hasattr(wifi_manager, attr):
+                error = "This library requires a WiFiManager or Session object with a "
+                error += f"`{attr}` method, not {type(wifi_manager)}"
+                raise TypeError(error)
+        self._wifi = wifi_manager
         self._lifx_token = lifx_token
         self._auth_header = {
             "Authorization": "Bearer %s" % self._lifx_token,
diff --git a/examples/lifx_simpletest.py b/examples/lifx_simpletest.py
index 98b0221..4766c3d 100644
--- a/examples/lifx_simpletest.py
+++ b/examples/lifx_simpletest.py
@@ -1,21 +1,19 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import board
 import busio
 from digitalio import DigitalInOut
 from adafruit_esp32spi import adafruit_esp32spi
-from adafruit_esp32spi import adafruit_esp32spi_wifimanager
+from adafruit_esp32spi.adafruit_esp32spi_wifimanager import WiFiManager
 import neopixel
 
 import adafruit_lifx
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi and API secrets are kept in secrets.py, please add them there!")
-    raise
+# Get WiFi details, ensure these are setup in settings.toml
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
 
 # ESP32 SPI
 esp32_cs = DigitalInOut(board.ESP_CS)
@@ -23,12 +21,15 @@
 esp32_reset = DigitalInOut(board.ESP_RESET)
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
-status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+status_pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
+wifi = WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Add your LIFX Personal Access token to secrets.py
 # (to obtain a token, visit: https://cloud.lifx.com/settings)
-lifx_token = secrets["lifx_token"]
+lifx_token = getenv("lifx_token")
+
+if lifx_token is None:
+    raise KeyError("Please add your lifx token to settings.toml")
 
 # Set this to your LIFX light separator label
 # https://api.developer.lifx.com/docs/selectors