main.py

@@ -12,6 +12,7 @@
 import pyemvue
 import json
 import time
+import sys
 
 from pyemvue.enums import Scale, Unit
 from pyemvue import PyEmVue
@@ -23,6 +24,9 @@ DAYS_BACK = 14 # Number of days in the past to get per-minute data for.
 MAX_HOURS = 12 # The maxinum number of hours that can be retrieved at once.
 MAX_ATTEMPTS = 5
 
+def eprint(*args, **kwargs):
+    print(*args, file=sys.stderr, **kwargs)
+
 # Get & display minutely data for all devices.
 def allUsageOverTime(vue: PyEmVue):
 	devices = vue.get_devices()
@@ -74,13 +78,13 @@ def getChartUsage(vue: PyEmVue, channel, start_time, end_time):
 				)
 		except Exception as e:
 			if attempt < MAX_ATTEMPTS:
-				print(
+				eprint(
 					f'Attempt {attempt} for channel {channel.name}',
 					f'from {start_time} to {end_time}',
 					f'failed:', e)
 				time.sleep(5)
 			else:
-				print(f'Failed after {attempt} attempts')
+				eprint(f'Failed after {attempt} attempts')
 				raise
 
 if __name__ == '__main__':