diff --git a/sumpy/expansion/__init__.py b/sumpy/expansion/__init__.py
index d72918eb5695b9b2bf7d5c8793e440aa11a7f289..dc3ce3baa544e1e47c9561f63f0fbbc3d275f1d9 100644
--- a/sumpy/expansion/__init__.py
+++ b/sumpy/expansion/__init__.py
@@ -225,7 +225,7 @@ class ExpansionBase(ABC):
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and self.kernel == other.kernel
                 and self.order == other.order
                 and self.use_rscale == other.use_rscale)
diff --git a/sumpy/expansion/local.py b/sumpy/expansion/local.py
index dd0838498f41991bb73fe5bdea9acf31d4f10201..7f0607f0d9194bdbad5df9828f8e562196a4e862 100644
--- a/sumpy/expansion/local.py
+++ b/sumpy/expansion/local.py
@@ -70,7 +70,7 @@ class LocalExpansionBase(ExpansionBase):
 
     def __eq__(self, other):
         return (
-            type(self) == type(other)
+            type(self) is type(other)
             and self.kernel == other.kernel
             and self.order == other.order
             and self.use_rscale == other.use_rscale
diff --git a/sumpy/kernel.py b/sumpy/kernel.py
index 1be1dec9384e1983bb14f39980573d3522a1b3b0..6c50350b396fe82bde8ddbedd84e781db6e0901a 100644
--- a/sumpy/kernel.py
+++ b/sumpy/kernel.py
@@ -102,9 +102,9 @@ class KernelArgument:
     def __eq__(self, other):
         if id(self) == id(other):
             return True
-        if not type(self) == KernelArgument:
+        if type(self) is not KernelArgument:
             return NotImplemented
-        if not type(other) == KernelArgument:
+        if type(other) is not KernelArgument:
             return NotImplemented
         return self.loopy_arg == other.loopy_arg