Fix flake8 complaint: use 'is' for type comarisons

loopy/kernel/array.py

@@ -920,7 +920,7 @@ def __eq__(self, other):
                 is_tuple_of_expressions_equal as istoee,
                 is_expression_equal as isee)
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and self.name == other.name
                 and self.dtype == other.dtype
                 and istoee(self.shape, other.shape)

loopy/kernel/instruction.py

@@ -605,7 +605,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, self.var_name)
 
     def __eq__(self, other):
-        return (type(self) == type(other)
+        return (type(self) is type(other)
                 and self.var_name == other.var_name)
 
     def __ne__(self, other):

loopy/library/reduction.py

@@ -118,7 +118,7 @@ def __hash__(self):
         return hash((type(self),))
 
     def __eq__(self, other):
-        return type(self) == type(other)
+        return type(self) is type(other)
 
     def __str__(self):
         result = type(self).__name__.replace("ReductionOperation", "").lower()
@@ -359,7 +359,7 @@ def __hash__(self):
         return hash(type(self))
 
     def __eq__(self, other):
-        return type(self) == type(other) and (self.inner_reduction ==
+        return type(self) is type(other) and (self.inner_reduction ==
                 other.inner_reduction)
 
     def __call__(self, dtypes, operand1, operand2, callables_table, target):
@@ -461,7 +461,7 @@ def __hash__(self):
         return hash(type(self))
 
     def __eq__(self, other):
-        return type(self) == type(other)
+        return type(self) is type(other)
 
     @property
     def arg_count(self):

loopy/match.py

@@ -148,7 +148,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, "all_match_expr")
 
     def __eq__(self, other):
-        return (type(self) == type(other))
+        return type(self) is type(other)
 
     def __hash__(self):
         return hash(type(self))
@@ -172,7 +172,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, self.children)
 
     def __eq__(self, other):
-        return (type(self) == type(other)
+        return (type(self) is type(other)
                 and self.children == other.children)
 
     def __hash__(self):
@@ -207,7 +207,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, self.child)
 
     def __eq__(self, other):
-        return (type(self) == type(other)
+        return (type(self) is type(other)
                 and self.child == other.child)
 
     def __hash__(self):
@@ -253,7 +253,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, self.glob)
 
     def __eq__(self, other):
-        return (type(self) == type(other)
+        return (type(self) is type(other)
                 and self.glob == other.glob)
 
     def __hash__(self):
@@ -434,7 +434,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, "all_match")
 
     def __eq__(self, other):
-        return (type(self) == type(other))
+        return type(self) is type(other)
 
 
 class StackBottomMatchComponent(StackMatchComponent):
@@ -445,7 +445,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, "bottom_match")
 
     def __eq__(self, other):
-        return (type(self) == type(other))
+        return type(self) is type(other)
 
 
 class StackItemMatchComponent(StackMatchComponent):
@@ -469,7 +469,7 @@ def update_persistent_hash(self, key_hash, key_builder):
         key_builder.rec(key_hash, self.inner_match)
 
     def __eq__(self, other):
-        return (type(self) == type(other)
+        return (type(self) is type(other)
                 and self.match_expr == other.match_expr
                 and self.inner_match == other.inner_match)
 
@@ -514,7 +514,7 @@ def update_persistent_hash(self, key_hash, key_builder):
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and
                 self.root_component == other.root_component)
 

loopy/target/__init__.py

@@ -88,7 +88,7 @@ def update_persistent_hash(self, key_hash, key_builder):
             key_builder.rec(key_hash, getattr(self, field_name))
 
     def __eq__(self, other):
-        if type(self) != type(other):
+        if type(self) is not type(other):
             return False
 
         for field_name in self.comparison_fields:

loopy/tools.py

@@ -136,7 +136,7 @@ def __init__(self, expression):
         self.expression = expression
 
     def __eq__(self, other):
-        return (type(self) == type(other)
+        return (type(self) is type(other)
                 and self.expression == other.expression)
 
     def __ne__(self, other):

loopy/types.py

@@ -101,7 +101,7 @@ def update_persistent_hash(self, key_hash, key_builder):
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and self.dtype == other.dtype)
 
     def __ne__(self, other):
@@ -192,7 +192,7 @@ def __hash__(self):
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and self.name == other.name)
 
     def __ne__(self, other):