Update adc1_cal.py

Author: matthias-bs

adc1_cal.py

@@ -420,8 +420,8 @@ def __str__(self):
     AVERAGING = 10
 
     adc_widths = [ADC.WIDTH_9BIT, ADC.WIDTH_10BIT, ADC.WIDTH_11BIT, ADC.WIDTH_12BIT]
-    adc_atten  = [ADC.ATTN_0DB, ADC.ATTN_2_5DB, ADC.ATTN_6DB, ADC.ATTN_11DB]
-    
+    adc_atten = [ADC.ATTN_0DB, ADC.ATTN_2_5DB, ADC.ATTN_6DB, ADC.ATTN_11DB]
+
     # Using programmer-supplied calibration value
     # ubatt = ADC1Cal(Pin(ADC_PIN, Pin.IN), DIV, VREF, AVERAGING, "ADC1 User Calibrated")