[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

examples/driven_cavity/driven_cavity.py

@@ -160,7 +160,7 @@ def erturk_u(NN):
     )
 
     velocity = u.ProbeData(pts, "Velocity")
-    (ilen, jlen) = velocity.shape
+    ilen, jlen = velocity.shape
     norm = 0.0
     for i in range(ilen):
         diff = pts[i][3] - velocity[i][0]
@@ -217,7 +217,7 @@ def erturk_v(NN):
     )
 
     velocity = u.ProbeData(pts, "Velocity")
-    (ilen, jlen) = velocity.shape
+    ilen, jlen = velocity.shape
     norm = 0.0
     for i in range(ilen):
         diff = pts[i][3] - velocity[i][1]
@@ -269,7 +269,7 @@ def botella_u(NN):
     )
 
     velocity = u.ProbeData(pts, "Velocity")
-    (ilen, jlen) = velocity.shape
+    ilen, jlen = velocity.shape
     norm = 0.0
     for i in range(ilen):
         diff = pts[i][3] - velocity[i][0]
@@ -320,7 +320,7 @@ def botella_v(NN):
     )
 
     velocity = u.ProbeData(pts, "Velocity")
-    (ilen, jlen) = velocity.shape
+    ilen, jlen = velocity.shape
 
     norm = 0.0
     for i in range(ilen):
@@ -372,7 +372,7 @@ def botella_p1(NN):
     )
 
     velocity = u.ProbeData(pts, "Velocity")
-    (ilen, jlen) = velocity.shape
+    ilen, jlen = velocity.shape
     pressure = u.ProbeData(pts, "Pressure")
 
     pts0 = np.array(
@@ -430,7 +430,7 @@ def botella_p2(NN):
     )
 
     velocity = u.ProbeData(pts, "Velocity")
-    (ilen, jlen) = velocity.shape
+    ilen, jlen = velocity.shape
     pressure = u.ProbeData(pts, "Pressure")
 
     pts0 = np.array(

examples/driven_cavity/generate_mesh

@@ -12,7 +12,7 @@ optparser = OptionParser(
     description="""Generate the mesh files for a given resolution.""",
 )
 
-(options, argv) = optparser.parse_args()
+options, argv = optparser.parse_args()
 
 try:
     NN = int(argv[0])

examples/driven_cavity/plot_data

@@ -7,11 +7,9 @@ import pylab
 
 
 def usage():
-    print(
-        """plot_data <NN>
+    print("""plot_data <NN>
 
-    <NN> is a space-separated list of the inverse mesh spacing."""
-    )
+    <NN> is a space-separated list of the inverse mesh spacing.""")
 
 
 try:

examples/lock_exchange/plot_data.py

@@ -15,12 +15,10 @@
 def Froudenumber(flmlname):
     print("\n********** Calculating the Froude number\n")
     # warn user about assumptions
-    print(
-        """Froude number calculations makes three assumptions:
+    print("""Froude number calculations makes three assumptions:
 i) domain height = 0.1m
 ii) mid point domain is at x = 0.4
-iii) initial temperature difference is 1.0 degC"""
-    )
+iii) initial temperature difference is 1.0 degC""")
     domainheight = 0.1
     domainmid = 0.4
     rho_zero, T_zero, alpha, g = le_tools.Getconstantsfromflml(flmlname)
@@ -184,11 +182,9 @@ def Froudenumber(flmlname):
 def mixing(flmlname):
     print("\n********** Calculating the mixing diagnostics\n")
     # warn user about assumptions
-    print(
-        """Background potential energy calculations makes two assumptions:
+    print("""Background potential energy calculations makes two assumptions:
 i) domain height = 0.1m
-ii) initial temperature difference is 1.0 degC"""
-    )
+ii) initial temperature difference is 1.0 degC""")
     domainheight = 0.1
     rho_zero, T_zero, alpha, g = le_tools.Getconstantsfromflml(flmlname)
 

examples/rotating_channel/plot_data

@@ -7,11 +7,9 @@ import pylab
 
 
 def usage():
-    print(
-        """plot_data <layers>
+    print("""plot_data <layers>
 
-    <layers> is a space-separated list of layer counts."""
-    )
+    <layers> is a space-separated list of layer counts.""")
 
 
 try:

examples/tides_in_the_Mediterranean_Sea/Med-tides-probe.py

@@ -75,7 +75,7 @@
 )
 
 M2amp = u.ProbeData(pts, "M2amp")
-(ilen, jlen) = M2amp.shape
+ilen, jlen = M2amp.shape
 S2amp = u.ProbeData(pts, "S2amp")
 K1amp = u.ProbeData(pts, "K1amp")
 O1amp = u.ProbeData(pts, "O1amp")

examples/top_hat/visualise.py

@@ -6,11 +6,9 @@
 try:
     import vtktools
 except ImportError:
-    sys.stderr.write(
-        """You need to add the path to <FLUIDITY_SOURCE_LOCATION>/python/
+    sys.stderr.write("""You need to add the path to <FLUIDITY_SOURCE_LOCATION>/python/
 to your PYTHONPATH environment variable, e.g.:
-  export PYTHONPATH=$PYTHONPATH:$HOME/svn/fluidity/python/\n"""
-    )
+  export PYTHONPATH=$PYTHONPATH:$HOME/svn/fluidity/python/\n""")
     sys.exit(1)
 
 # open one of the vtus output by fluidity

mayavi/mayavi_amcg/filters/boundary_marker_editor.py

@@ -193,9 +193,9 @@ def perform_mask(self):
         # value is the new cell_id of the corresponding cell in the masked grid
         self._cell_mappings = list(
             map(
-                lambda masked, cell_id: None
-                if masked
-                else unmasked_cells_list.insert_next_id(cell_id),
+                lambda masked, cell_id: (
+                    None if masked else unmasked_cells_list.insert_next_id(cell_id)
+                ),
                 in_masked,
                 cell_ids,
             )

mayavi/mayavi_amcg/filters/data_set_clipper.py

@@ -7,6 +7,7 @@
 Wouldn't have been able to code this otherwise.
 
 """
+
 from traits.api import Button, Instance
 from traitsui.api import Group, Item, View
 from tvtk.api import tvtk

mayavi/mayavi_amcg/filters/field_operations.py

@@ -61,14 +61,12 @@ class FieldOperations(Filter):
         "z-component",
         "Python function",
     )
-    custom_function = Code(
-        """
+    custom_function = Code("""
 # Define a single-line operation in terms of
 # the variable 'inputs' which is an array of
 # input arrays. math and numpy are imported.
 # The operation must return a single array.
-"""
-    )
+""")
 
     # Input and output fields
     scale_factor = Float(1.0)