Fix F401 in */__init__.py

Author: bessman

pslab/__init__.py

@@ -4,3 +4,13 @@
 from pslab.instrument.power_supply import PowerSupply
 from pslab.instrument.waveform_generator import PWMGenerator, WaveformGenerator
 from pslab.sciencelab import ScienceLab
+
+__all__ = (
+    "LogicAnalyzer",
+    "Multimeter",
+    "Oscilloscope",
+    "PowerSupply",
+    "PWMGenerator",
+    "WaveformGenerator",
+    "ScienceLab",
+)

pslab/bus/__init__.py

@@ -4,6 +4,7 @@
 """
 from pslab.bus.i2c import I2CMaster, I2CSlave
 
-
-class DeviceNotFoundError(RuntimeError):
-    pass
+__all__ = (
+    "I2CMaster",
+    "I2CSlave",
+)