wa/instruments: pep8 fixes

wa/instruments/dmesg.py

@@ -21,6 +21,7 @@ from wa.framework.exception import InstrumentError
 from wa.framework.instrument import slow
 from wa.utils.misc import ensure_file_directory_exists as _f
 
+
 class DmesgInstrument(Instrument):
     # pylint: disable=no-member,attribute-defined-outside-init
     """

wa/instruments/energy_measurement.py

@@ -48,7 +48,7 @@ class EnergyInstrumentBackend(Plugin):
     instrument = None
 
     def get_parameters(self):
-        return {p.name : p for p in self.parameters}
+        return {p.name: p for p in self.parameters}
 
     def validate_parameters(self, params):
         pass
@@ -66,7 +66,7 @@ class EnergyInstrumentBackend(Plugin):
 class DAQBackend(EnergyInstrumentBackend):
 
     name = 'daq'
-    description="""
+    description = """
     National Instruments Data Acquisition device
 
     For more information about the device, please see the NI website:
@@ -161,7 +161,7 @@ class DAQBackend(EnergyInstrumentBackend):
 class EnergyProbeBackend(EnergyInstrumentBackend):
 
     name = 'energy_probe'
-    description="""
+    description = """
     Arm Energy Probe caiman version
 
     This backend relies on caiman utility:
@@ -205,7 +205,7 @@ class EnergyProbeBackend(EnergyInstrumentBackend):
 class ArmEnergyProbeBackend(EnergyInstrumentBackend):
 
     name = 'arm_energy_probe'
-    description="""
+    description = """
     Arm Energy Probe arm-probe version
 
     An alternative Arm Energy Probe backend that relies on arm-probe utility:
@@ -251,7 +251,7 @@ class ArmEnergyProbeBackend(EnergyInstrumentBackend):
 class AcmeCapeBackend(EnergyInstrumentBackend):
 
     name = 'acme_cape'
-    description="""
+    description = """
     BayLibre ACME cape
 
     This backend relies on iio-capture utility:
@@ -309,10 +309,11 @@ class AcmeCapeBackend(EnergyInstrumentBackend):
                 iio_device=iio_device, buffer_size=buffer_size)
         return ret
 
+
 class MonsoonBackend(EnergyInstrumentBackend):
 
     name = 'monsoon'
-    description="""
+    description = """
     Monsoon Solutions power monitor
 
     To use this instrument, you need to install the monsoon.py script available
@@ -345,7 +346,7 @@ class MonsoonBackend(EnergyInstrumentBackend):
 class JunoEnergyBackend(EnergyInstrumentBackend):
 
     name = 'juno_readenergy'
-    description="""
+    description = """
     Arm Juno development board on-board energy meters
 
     For more information about Arm Juno board see:

wa/instruments/hwmon.py

@@ -21,6 +21,7 @@ from wa.framework.instrument import fast
 MOMENTARY_QUANTITIES = ['temperature', 'power', 'voltage', 'current', 'fps']
 CUMULATIVE_QUANTITIES = ['energy', 'tx', 'tx/rx', 'frames']
 
+
 class HwmonInstrument(Instrument):
     name = 'hwmon'