diff --git a/Framework/PythonInterface/mantid/fitfunctions.py b/Framework/PythonInterface/mantid/fitfunctions.py
index fd53996acf888f8fbeb16907b8f70db2c4de404b..4ac4bdbb022290036ca5e86a39bd979185e66f97 100644
--- a/Framework/PythonInterface/mantid/fitfunctions.py
+++ b/Framework/PythonInterface/mantid/fitfunctions.py
@@ -370,7 +370,7 @@ class FunctionWrapper(object):
# to pass InputWorkspace into EvaluateFunction before Function.
# As a special case has been made for this. This case can be removed
# with ordered kwargs change in Python 3.6.
- if name is 'EvaluateFunction':
+ if name == 'EvaluateFunction':
alg.setProperty('Function', kwargs['Function'])
del kwargs['Function']
alg.setProperty('InputWorkspace', kwargs['InputWorkspace'])
diff --git a/Framework/PythonInterface/plugins/algorithms/ConvertWANDSCDtoQ.py b/Framework/PythonInterface/plugins/algorithms/ConvertWANDSCDtoQ.py
index ed5e07670ead025a9bf8ef5cc5e5aa09f4a5ff47..9e5bfc368774507baa6ed6d0330c1ebc82f27c57 100644
--- a/Framework/PythonInterface/plugins/algorithms/ConvertWANDSCDtoQ.py
+++ b/Framework/PythonInterface/plugins/algorithms/ConvertWANDSCDtoQ.py
@@ -86,7 +86,7 @@ class ConvertWANDSCDtoQ(PythonAlgorithm):
d2 = inWS.getDimension(2)
number_of_runs = d2.getNBins()
- if (d0.name is not 'y' or d1.name is not 'x' or d2.name != 'scanIndex'):
+ if (d0.name != 'y' or d1.name != 'x' or d2.name != 'scanIndex'):
issues["InputWorkspace"] = "InputWorkspace has wrong dimensions"
return issues
diff --git a/Framework/PythonInterface/plugins/algorithms/HB2AReduce.py b/Framework/PythonInterface/plugins/algorithms/HB2AReduce.py
index d28ef500fdcab9d5f660162b90255a0e5e1fb20e..817d81c18601df8f9a3da9b9ed49626478374a43 100644
--- a/Framework/PythonInterface/plugins/algorithms/HB2AReduce.py
+++ b/Framework/PythonInterface/plugins/algorithms/HB2AReduce.py
@@ -78,7 +78,7 @@ class HB2AReduce(PythonAlgorithm):
if not self.getProperty("Filename").value:
ipts = self.getProperty("IPTS").value
- if ((ipts == Property.EMPTY_INT) or len(self.getProperty("ScanNumbers").value) is 0):
+ if ((ipts == Property.EMPTY_INT) or len(self.getProperty("ScanNumbers").value) == 0):
issues["Filename"] = 'Must specify either Filename or IPTS AND ScanNumbers'
if self.getProperty("Exp").value == Property.EMPTY_INT:
diff --git a/Framework/PythonInterface/plugins/algorithms/LoadWANDSCD.py b/Framework/PythonInterface/plugins/algorithms/LoadWANDSCD.py
index 48877bc1139115027314a1b8ef3356129fdae1a2..d5280d8f583b088078c70a194318e1c2d1211e47 100644
--- a/Framework/PythonInterface/plugins/algorithms/LoadWANDSCD.py
+++ b/Framework/PythonInterface/plugins/algorithms/LoadWANDSCD.py
@@ -43,7 +43,7 @@ class LoadWANDSCD(PythonAlgorithm):
issues = dict()
if not self.getProperty("Filename").value:
- if (self.getProperty("IPTS").value == Property.EMPTY_INT) or len(self.getProperty("RunNumbers").value) is 0:
+ if (self.getProperty("IPTS").value == Property.EMPTY_INT) or len(self.getProperty("RunNumbers").value) == 0:
issues["Filename"] = 'Must specify either Filename or IPTS AND RunNumbers'
return issues
diff --git a/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ISISIndirectDiffractionReduction.py b/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ISISIndirectDiffractionReduction.py
index 9a7fc6d8ea34697f660c80c30edac4ac67805ce5..f26e4a6dc15517e11f4f3160596d43135acc62df 100644
--- a/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ISISIndirectDiffractionReduction.py
+++ b/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ISISIndirectDiffractionReduction.py
@@ -390,7 +390,7 @@ class ISISIndirectDiffractionReduction(DataProcessorAlgorithm):
Checks to ensure a calibration file has been given
and if so performs AlignDetectors and DiffractionFocussing.
"""
- if self._cal_file is not '':
+ if self._cal_file != '':
for ws_name in self._workspace_names:
AlignDetectors(InputWorkspace=ws_name,
OutputWorkspace=ws_name,
diff --git a/Testing/SystemTests/lib/systemtests/systemtesting.py b/Testing/SystemTests/lib/systemtests/systemtesting.py
index bdc5a0c7cd8bd73da0c72797f3cc818401381660..8f5a5fe5e2e115798df92de6524c69aa430a292a 100644
--- a/Testing/SystemTests/lib/systemtests/systemtesting.py
+++ b/Testing/SystemTests/lib/systemtests/systemtesting.py
@@ -1036,7 +1036,7 @@ class TestManager(object):
mod_attrs = dir(mod)
for key in mod_attrs:
value = getattr(mod, key)
- if key is "MantidSystemTest" or not inspect.isclass(value):
+ if key == "MantidSystemTest" or not inspect.isclass(value):
continue
if self.isValidTestClass(value):
test_name = key
diff --git a/qt/python/mantidqt/project/plotsloader.py b/qt/python/mantidqt/project/plotsloader.py
index ee19bf7431345972275de710401a2f97fd7f6eb3..309998423ad26e10d528cf38546021858f0e1b0e 100644
--- a/qt/python/mantidqt/project/plotsloader.py
+++ b/qt/python/mantidqt/project/plotsloader.py
@@ -239,19 +239,19 @@ class PlotsLoader(object):
def update_axis(self, axis_, properties):
if isinstance(axis_, matplotlib.axis.XAxis):
- if properties["position"] is "top":
+ if properties["position"] == "top":
axis_.tick_top()
else:
axis_.tick_bottom()
if isinstance(axis_, matplotlib.axis.YAxis):
- if properties["position"] is "right":
+ if properties["position"] == "right":
axis_.tick_right()
else:
axis_.tick_left()
labels = axis_.get_ticklabels()
- if properties["fontSize"] is not "":
+ if properties["fontSize"] != "":
for label in labels:
label.set_fontsize(properties["fontSize"])
@@ -276,17 +276,17 @@ class PlotsLoader(object):
@staticmethod
def update_axis_ticks(axis_, properties):
# Update Major and Minor Locator
- if properties["majorTickLocator"] is "FixedLocator":
+ if properties["majorTickLocator"] == "FixedLocator":
axis_.set_major_locator(ticker.FixedLocator(properties["majorTickLocatorValues"]))
- if properties["minorTickLocator"] is "FixedLocator":
+ if properties["minorTickLocator"] == "FixedLocator":
axis_.set_minor_locator(ticker.FixedLocator(properties["minorTickLocatorValues"]))
# Update Major and Minor Formatter
- if properties["majorTickFormatter"] is "FixedFormatter":
+ if properties["majorTickFormatter"] == "FixedFormatter":
axis_.set_major_formatter(ticker.FixedFormatter(properties["majorTickFormat"]))
- if properties["minorTickFormatter"] is "FixedFormatter":
+ if properties["minorTickFormatter"] == "FixedFormatter":
axis_.set_major_formatter(ticker.FixedLocator(properties["minorTickFormat"]))
@staticmethod
diff --git a/scripts/Inelastic/CrystalField/normalisation.py b/scripts/Inelastic/CrystalField/normalisation.py
index 42c101bb894ab0c3809972101c702926e325ccff..89d9e25c9ff0d062b099976c792348c019164e3b 100644
--- a/scripts/Inelastic/CrystalField/normalisation.py
+++ b/scripts/Inelastic/CrystalField/normalisation.py
@@ -212,7 +212,7 @@ def split2range(*args, **kwargs):
Nlm[bname] = splitting_factor
ranges = norm2stev(IonNum=nre, **Nlm)
- if argin['Output'].lower() is 'constraints':
+ if argin['Output'].lower() == 'constraints':
constr = ''
for bname in ranges.keys():
constr += '%.4g<%s<%.4g,' % (-ranges[bname], bname, ranges[bname])
diff --git a/scripts/Inelastic/Direct/PropertiesDescriptors.py b/scripts/Inelastic/Direct/PropertiesDescriptors.py
index 23d18c73955d65f1909f5d938871b7241e947bc4..a22e2e03799c278d05e22420da64287e54218433 100644
--- a/scripts/Inelastic/Direct/PropertiesDescriptors.py
+++ b/scripts/Inelastic/Direct/PropertiesDescriptors.py
@@ -1201,7 +1201,7 @@ class SpectraToMonitorsList(PropDescriptor):
return None
if isinstance(spectra_list, string_types):
- if spectra_list.lower() is 'none':
+ if spectra_list.lower() == 'none':
result = None
else:
spectra = spectra_list.split(',')
diff --git a/scripts/LargeScaleStructures/geometry_writer.py b/scripts/LargeScaleStructures/geometry_writer.py
index 031bf1bda74447cf0d0cfdd370e1aaef54aeee40..a74d8f854d200f7c969e88aef6e4a8c578e3ca66 100644
--- a/scripts/LargeScaleStructures/geometry_writer.py
+++ b/scripts/LargeScaleStructures/geometry_writer.py
@@ -105,12 +105,12 @@ class MantidGeom(object):
if location is None:
self._append_child("location", sample, x="0.0", y="0.0", z="0.0")
else:
- if coord_type is "cartesian":
+ if coord_type == "cartesian":
self._append_child("location", sample,
x=location[0],
y=location[1],
z=location[2])
- if coord_type is "spherical":
+ if coord_type == "spherical":
self._append_child("location", sample,
r=location[0],
t=location[1],
diff --git a/scripts/Muon/GUI/FrequencyDomainAnalysis/MaxEnt/maxent_presenter.py b/scripts/Muon/GUI/FrequencyDomainAnalysis/MaxEnt/maxent_presenter.py
index 4429ca99e33c78d1e09569b30eda5b252e6336fe..e7a06d561adcfae05d702a5d3728d362726ada3f 100644
--- a/scripts/Muon/GUI/FrequencyDomainAnalysis/MaxEnt/maxent_presenter.py
+++ b/scripts/Muon/GUI/FrequencyDomainAnalysis/MaxEnt/maxent_presenter.py
@@ -54,7 +54,7 @@ class MaxEntPresenter(object):
else:
self.view.setRun("")
- if run is not "None":
+ if run != "None":
final_options.append(run)
self.view.addItems(final_options)
start = int(
diff --git a/scripts/test/DirectReductionHelpersTest.py b/scripts/test/DirectReductionHelpersTest.py
index 6ab18eb09f38426d8b2412cbc614ab0954ec4a7f..13fa61a6b0c6e228d9682987dcbc68f7b1e58cdd 100644
--- a/scripts/test/DirectReductionHelpersTest.py
+++ b/scripts/test/DirectReductionHelpersTest.py
@@ -290,7 +290,7 @@ class DirectReductionHelpersTest(unittest.TestCase):
return attr
else:
attr_dic = object.__getattribute__(self,'__dict__')
- if name is '__dict__':
+ if name == '__dict__':
return attr_dic
else:
return helpers.gen_getter(attr_dic,name)
@@ -346,7 +346,7 @@ class DirectReductionHelpersTest(unittest.TestCase):
some_descriptor = SomeDescriptor()
def __setattr__(self,name,val):
- if name is 'special':
+ if name == 'special':
return
elif name in self.__class__.__dict__:
fp = self.__class__.__dict__[name]
@@ -356,7 +356,7 @@ class DirectReductionHelpersTest(unittest.TestCase):
def __getattr__(self,name):
- if name is 'special':
+ if name == 'special':
return self.__special
else:
tDict = object.__getattribute__(self,'__dict__')