fixed pylint issues in example1

Author: fourstix

examples/example1_basic_lightning_i2c.py

@@ -57,7 +57,7 @@ def reduce_noise(value):
 
     if value > 7:
         print('Noise floor is at the maximum value.')
-        return
+        return 7
     print('Increasing the noise event threshold to ', value)
     lightning.noise_level = value
     return value
@@ -72,9 +72,10 @@ def increase_threshold(value):
     value += 1
     if value > 10:
         print('Watchdog threshold is at its maximum value')
-        return
+        return 10
     print('Increasing the disturber watchdog threshold to ', value)
     lightning.watchdog_threshold = value
+    return value
 
 # main code
 

examples/example1_basic_lightning_spi.py

@@ -57,11 +57,11 @@ def reduce_noise(value):
     # warns that smartphone and smart watch displays, DC-DC converters, and/or
     # anything that operates in 500 kHz range are noise sources to be avoided.
     # The manufacturer's default value is 2 with a maximum value of 7.
-    value += 1
+    value =+ 1
 
     if value > 7:
         print('Noise floor is at the maximum value.')
-        return
+        return 7
     print('Increasing the noise event threshold to ', value)
     lightning.noise_level = value
     return value
@@ -76,7 +76,7 @@ def increase_threshold(value):
     value += 1
     if value > 10:
         print('Watchdog threshold is at its maximum value')
-        return
+        return 10
     print('Increasing the disturber watchdog threshold to ', value)
     lightning.watchdog_threshold = value
     return value

examples/example3_tune_antenna_i2c.py

@@ -21,7 +21,6 @@
 
 import board
 import busio
-import digitalio
 import sparkfun_qwiicas3935
 
 # Create bus object using our board's I2C port