compiler: Comply with ruff

Author: FabioLuporini

devito/ir/support/space.py

@@ -910,10 +910,7 @@ def switch(self, d0, d1=None, direction=None):
         `d1`. Optionally, `d0` could be a mapper, in which case multiple Dimensions
         may be switched.
         """
-        if isinstance(d0, dict):
-            mapper = d0
-        else:
-            mapper = {d0: d1}
+        mapper = d0 if isinstance(d0, dict) else {d0: d1}
 
         intervals = self.intervals
         sub_iterators = dict(self.sub_iterators)

devito/passes/clusters/aliases.py

@@ -1706,7 +1706,7 @@ def make_blockdim_subiter(dimensions):
 
         pd = d.parent
 
-        if pd.parent.is_Block:
+        if pd.parent.is_Block:  # noqa SIM108
             # A BlockDimension in between BlockDimensions
             m = d.symbolic_min - pd.symbolic_min
         else:

devito/passes/clusters/blocking.py

@@ -16,7 +16,7 @@
 )
 from devito.types import BlockDimension
 
-__all__ = ['blocking', 'apply_par_tiles']
+__all__ = ['apply_par_tiles', 'blocking']
 
 
 def blocking(clusters, sregistry, options):

tests/test_dimension.py

@@ -2072,7 +2072,7 @@ def test_blocking_w_guard(self):
 
         op = Operator(eqns, opt=('advanced', {'openmp': True}))
 
-        op.cfunction
+        _ = op.cfunction
 
         assert_structure(op, ['t,x0_blk0,y0_blk0,x,y,z',
                               't,x0_blk0,y0_blk0,x,y',