diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a5242714ac..ecc83ef3d4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -500,14 +500,14 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 2 # NOTE: this fetches the HEAD commit of the PR
-      - name: Set up Python 3.11
+      - name: Set up Python 3.12
         uses: actions/setup-python@v5
         with:
-          python-version: 3.11
+          python-version: 3.12
       - name: Cache python packages
         uses: actions/cache@v4
         with:
-          path: ${{ env.Python3_ROOT_DIR }}/lib/python3.11/site-packages
+          path: ${{ env.Python3_ROOT_DIR }}/lib/python3.12/site-packages
           key: ${{ matrix.backend }}-packages-${{ hashFiles('**/setup.py') }}
       - name: Cache downloads
         uses: actions/cache@v4
diff --git a/test/test_image_dtype.py b/test/test_image_dtype.py
index f2d6528936..d2f0e80e04 100644
--- a/test/test_image_dtype.py
+++ b/test/test_image_dtype.py
@@ -7,11 +7,17 @@ from tinygrad.helpers import prod, unwrap
 
 @unittest.skipIf(Device.DEFAULT not in ("QCOM", "GPU"), "only images on GPU")
 class TestImageCopy(unittest.TestCase):
-  def test_image_copyout_1x1(self):
-    it = Tensor.arange(4).cast(dtypes.imagef((1,1,4))).realize()
+  def test_image_copyout_1x1(self, img_type=dtypes.imagef):
+    it = Tensor.arange(4).cast(img_type((1,1,4))).realize()
     buf = it.lazydata.buffer
     out = buf.as_buffer()
-    np.testing.assert_equal(out.cast('f').tolist(), np.arange(4))
+    np.testing.assert_equal(out.cast(it.dtype.fmt).tolist(), np.arange(4))
+  def test_imageh_copyout_1x1(self): self.test_image_copyout_1x1(img_type=dtypes.imageh)
+
+  def test_image_numpy_1x1(self, img_type=dtypes.imagef):
+    it = Tensor.arange(4).cast(img_type((1,1,4))).realize()
+    np.testing.assert_equal(it.numpy(), np.arange(4))
+  def test_imageh_numpy_1x1(self): self.test_image_numpy_1x1(img_type=dtypes.imageh)
 
   def test_image_copyout_2x3(self):
     it = Tensor.arange(2*3*4).cast(dtypes.imagef((2,3,4))).realize()
diff --git a/tinygrad/engine/schedule.py b/tinygrad/engine/schedule.py
index c00c653161..fd9f5a8fca 100644
--- a/tinygrad/engine/schedule.py
+++ b/tinygrad/engine/schedule.py
@@ -56,13 +56,13 @@ def to_uop(buf:LazyBuffer, ctx:ScheduleContext, buffers:Dict[UOp, Buffer], cache
     return ret
   assert buf.op is not None, f"base must be base itself {buf}"
   # make things that can't be images not images
-  dtype = buf.dtype
+  dtype = buf.buffer.dtype
   if isinstance(dtype, ImageDType) and (prod(buf.shape) != prod(dtype.shape) or not any(buf.shape[x]%4 == 0 for x in buf.st.unit_stride_axes())):
     assert buf.realized is None, "can't fixup allocated buffer"
     if DEBUG >= 2: print(f"forcing image {dtype} with shape {buf.shape} to {dtype.base}")
     dtype = buf.dtype.base
     # hack the underlying buffer too
-    buf.buffer.dtype = buf.dtype = dtype
+    buf.buffer.dtype = dtype
     buf.buffer.options = None
   if buf.is_realized:
     ubuf = UOp.new_buffer(buf.device, buf.size, dtype)
diff --git a/tinygrad/tensor.py b/tinygrad/tensor.py
index 24f076cc41..253a9839a0 100644
--- a/tinygrad/tensor.py
+++ b/tinygrad/tensor.py
@@ -278,10 +278,10 @@ class Tensor(SimpleMathTrait):
     print(np.frombuffer(t.data(), dtype=np.int32))
     ```
     """
-    assert self.dtype.fmt is not None, f"no fmt dtype for {self.dtype}"
+    assert self.dtype.base.fmt is not None, f"no fmt dtype for {self.dtype.base}"
     assert all_int(self.shape), f"no data if shape is symbolic, {self.shape=}"
-    if TYPE_CHECKING or sys.version_info < (3, 12): assert self.dtype.fmt != "e"
-    return self._data().cast(self.dtype.fmt) if 0 in self.shape else self._data().cast(self.dtype.fmt, self.shape)
+    if TYPE_CHECKING or sys.version_info < (3, 12): assert self.dtype.base.fmt != "e"
+    return self._data().cast(self.dtype.base.fmt) if 0 in self.shape else self._data().cast(self.dtype.base.fmt, self.shape)
 
   def item(self) -> ConstType:
     """
@@ -318,10 +318,10 @@ class Tensor(SimpleMathTrait):
     ```
     """
     import numpy as np
-    if self.dtype == dtypes.bfloat16: return self.float().numpy()
-    assert _to_np_dtype(self.dtype) is not None, f"no np dtype for {self.dtype}"
+    if self.dtype.base == dtypes.bfloat16: return self.float().numpy()
+    assert _to_np_dtype(self.dtype.base) is not None, f"no np dtype for {self.dtype.base}"
     assert all_int(self.shape), f"no data if shape is symbolic, {self.shape=}"
-    return np.frombuffer(self._data(), dtype=_to_np_dtype(self.dtype)).reshape(self.shape)
+    return np.frombuffer(self._data(), dtype=_to_np_dtype(self.dtype.base)).reshape(self.shape)
 
   def clone(self) -> Tensor:
     """