try adding dep

ladyada · ladyada · commit 26177dbc7124 · 2019-07-18T16:25:44.000-04:00
diff --git a/library.properties b/library.properties
@@ -7,3 +7,4 @@ paragraph=Arduino library for DHT11, DHT22, etc Temp & Humidity Sensors
 category=Sensors
 url=https://github.com/adafruit/DHT-sensor-library
 architectures=*
+depends="Adafruit Unified Sensor"
