From fc8bd950804e78417ded6153dc7a99d6d527bcb8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Paul=20T=2E=20K=C3=BChner?=
 <56360279+schnellerhase@users.noreply.github.com>
Date: Fri, 3 Jul 2026 11:27:17 +0200
Subject: [PATCH 1/3] Remove unused type ignores

---
 ffcx_backends/cuda/jit.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ffcx_backends/cuda/jit.py b/ffcx_backends/cuda/jit.py
index a13b683..e3761d7 100644
--- a/ffcx_backends/cuda/jit.py
+++ b/ffcx_backends/cuda/jit.py
@@ -208,7 +208,7 @@ def compile_forms(
 
     try:
         decl = (
-            UFC_HEADER_DECL.format(np.dtype(p["scalar_type"]).name)  # type: ignore
+            UFC_HEADER_DECL.format(np.dtype(p["scalar_type"]).name)
             + UFC_INTEGRAL_DECL
             + UFC_FORM_DECL
         )
@@ -303,7 +303,7 @@ def compile_expressions(
 
     try:
         decl = (
-            UFC_HEADER_DECL.format(np.dtype(p["scalar_type"]).name)  # type: ignore
+            UFC_HEADER_DECL.format(np.dtype(p["scalar_type"]).name)
             + UFC_INTEGRAL_DECL
             + UFC_FORM_DECL
             + UFC_EXPRESSION_DECL

From c871487fd9997c0215fb67a83c61dd5aaf8fa317 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Paul=20T=2E=20K=C3=BChner?=
 <56360279+schnellerhase@users.noreply.github.com>
Date: Sat, 4 Jul 2026 10:43:15 +0200
Subject: [PATCH 2/3] Fix: missing import

---
 ffcx_backends/cuda/jit.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ffcx_backends/cuda/jit.py b/ffcx_backends/cuda/jit.py
index e3761d7..be58d97 100644
--- a/ffcx_backends/cuda/jit.py
+++ b/ffcx_backends/cuda/jit.py
@@ -16,6 +16,7 @@
 
 import cffi
 import ffcx
+import ffcx.codegeneration
 import ffcx.naming
 import numpy as np
 import numpy.typing as npt

From c59925b09cce07d52b5bc892ec6e4bd99aa38f50 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Paul=20T=2E=20K=C3=BChner?=
 <56360279+schnellerhase@users.noreply.github.com>
Date: Sat, 4 Jul 2026 10:48:51 +0200
Subject: [PATCH 3/3] Fix: type deduction

---
 ffcx_backends/cuda/jit.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/ffcx_backends/cuda/jit.py b/ffcx_backends/cuda/jit.py
index be58d97..075c0a8 100644
--- a/ffcx_backends/cuda/jit.py
+++ b/ffcx_backends/cuda/jit.py
@@ -207,11 +207,12 @@ def compile_forms(
     else:
         cache_dir = Path(tempfile.mkdtemp())
 
+    scalar_type = p["scalar_type"]
+    assert isinstance(scalar_type, str)
+
     try:
         decl = (
-            UFC_HEADER_DECL.format(np.dtype(p["scalar_type"]).name)
-            + UFC_INTEGRAL_DECL
-            + UFC_FORM_DECL
+            UFC_HEADER_DECL.format(np.dtype(scalar_type).name) + UFC_INTEGRAL_DECL + UFC_FORM_DECL
         )
 
         form_template = "extern ufcx_form {name};\n"
@@ -302,9 +303,12 @@ def compile_expressions(
     else:
         cache_dir = Path(tempfile.mkdtemp())
 
+    scalar_type = p["scalar_type"]
+    assert isinstance(scalar_type, str)
+
     try:
         decl = (
-            UFC_HEADER_DECL.format(np.dtype(p["scalar_type"]).name)
+            UFC_HEADER_DECL.format(np.dtype(scalar_type).name)
             + UFC_INTEGRAL_DECL
             + UFC_FORM_DECL
             + UFC_EXPRESSION_DECL