diff --git a/loopy/isl_helpers.py b/loopy/isl_helpers.py
index 84cebabcbf346a499d31602807af65872c6c5aa2..de0c1f0f12fad00b678da76e7f55400b85df4144 100644
--- a/loopy/isl_helpers.py
+++ b/loopy/isl_helpers.py
@@ -93,7 +93,7 @@ def pw_aff_to_aff(pw_aff):
 
 
 def dump_space(ls):
-    return " ".join("%s: %d" % (dt, ls.dim(getattr(dim_type, dt))) 
+    return " ".join("%s: %d" % (dt, ls.dim(getattr(dim_type, dt)))
             for dt in dim_type.names)
 
 
diff --git a/loopy/kernel.py b/loopy/kernel.py
index 9d78eb961bf02545b1158e85d7912a5458ce2ddc..ffbae5657e650b1894a99695899546169c7decb1 100644
--- a/loopy/kernel.py
+++ b/loopy/kernel.py
@@ -212,7 +212,7 @@ class TemporaryVariable(Record):
 
 class Instruction(Record):
     """
-    :ivar id: An (otherwise meaningless) identifier that is unique within 
+    :ivar id: An (otherwise meaningless) identifier that is unique within
         a :class:`LoopKernel`.
     :ivar assignee:
     :ivar expression:
@@ -661,7 +661,7 @@ class LoopKernel(Record):
             from loopy.isl_helpers import static_max_of_pw_aff
             try:
                 # insist block size is constant
-                size = static_max_of_pw_aff(size, 
+                size = static_max_of_pw_aff(size,
                         constants_only=isinstance(tag, LocalIndexTag))
             except ValueError:
                 pass
diff --git a/loopy/schedule.py b/loopy/schedule.py
index f7eb17d4a2a59f5acef773cc313dda9332cde6d6..1c4a276527717c2a232722d0929e561047f253ef 100644
--- a/loopy/schedule.py
+++ b/loopy/schedule.py
@@ -553,7 +553,7 @@ def assign_automatic_axes(kernel, only_axis_0=True):
     # of a new axis assignment.
 
     if only_axis_0:
-        # If we were only assigining axis 0, then assign all the remaining 
+        # If we were only assigining axis 0, then assign all the remaining
         # axes next.
         return assign_automatic_axes(kernel, only_axis_0=False)
     else:
diff --git a/loopy/symbolic.py b/loopy/symbolic.py
index 50a2659ae58e5c8bedd27e4da0799a004073e936..4504daa7d21f63749d02e8fbd9c4cd139fe372c0 100644
--- a/loopy/symbolic.py
+++ b/loopy/symbolic.py
@@ -85,7 +85,7 @@ class DependencyMapper(DependencyMapperBase):
 # {{{ functions to primitives
 
 class FunctionToPrimitiveMapper(IdentityMapper):
-    """Looks for invocations of a function called 'cse' or 'reduce' and 
+    """Looks for invocations of a function called 'cse' or 'reduce' and
     turns those into the actual pymbolic primitives used for that.
     """