Updated pylint for v1.5.1

Fixed WA for the latest version of pylint (1.5.1)

wlauto/instrumentation/fps/__init__.py

@@ -27,6 +27,10 @@ import tempfile
 
 from distutils.version import LooseVersion
 
+try:
+    import pandas as pd
+except ImportError:
+    pd = None
 
 from wlauto import Instrument, Parameter, IterationResult
 from wlauto.instrumentation import instrument_is_installed
@@ -34,11 +38,6 @@ from wlauto.exceptions import (InstrumentError, WorkerThreadError, ConfigError,
                                DeviceNotRespondingError, TimeoutError)
 from wlauto.utils.types import boolean, numeric
 
-try:
-    import pandas as pd
-except ImportError:
-    pd = None
-
 
 VSYNC_INTERVAL = 16666667
 PAUSE_LATENCY = 20