prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Verify versions of both VegaFusion packages
  See https://github.com/altair-viz/altair/pull/3281#issuecomment-1867599879
  
  We should check the version of `vegafusion-python-embed` as well as the version of `vegafusion` since it's possible for these to get out of sync.
  
  
  
  </issue>
  <code>
  [start of altair/utils/_importers.py]
  1 from types import ModuleType
  2 from packaging.version import Version
  3 from importlib.metadata import version as importlib_version
  4 
  5 
  6 def import_vegafusion() -> ModuleType:
  7     min_version = "1.5.0"
  8     try:
  9         version = importlib_version("vegafusion")
  10         if Version(version) < Version(min_version):
  11             raise RuntimeError(
  12                 f"The vegafusion package must be version {min_version} or greater. "
  13                 f"Found version {version}"
  14             )
  15         import vegafusion as vf  # type: ignore
  16 
  17         return vf
  18     except ImportError as err:
  19         raise ImportError(
  20             'The "vegafusion" data transformer and chart.transformed_data feature requires\n'
  21             f"version {min_version} or greater of the 'vegafusion-python-embed' and 'vegafusion' packages.\n"
  22             "These can be installed with pip using:\n"
  23             f'    pip install "vegafusion[embed]>={min_version}"\n'
  24             "Or with conda using:\n"
  25             f'    conda install -c conda-forge "vegafusion-python-embed>={min_version}" '
  26             f'"vegafusion>={min_version}"\n\n'
  27             f"ImportError: {err.args[0]}"
  28         ) from err
  29 
  30 
  31 def import_vl_convert() -> ModuleType:
  32     min_version = "1.1.0"
  33     try:
  34         version = importlib_version("vl-convert-python")
  35         if Version(version) < Version(min_version):
  36             raise RuntimeError(
  37                 f"The vl-convert-python package must be version {min_version} or greater. "
  38                 f"Found version {version}"
  39             )
  40         import vl_convert as vlc
  41 
  42         return vlc
  43     except ImportError as err:
  44         raise ImportError(
  45             f"The vl-convert Vega-Lite compiler and file export feature requires\n"
  46             f"version {min_version} or greater of the 'vl-convert-python' package. \n"
  47             f"This can be installed with pip using:\n"
  48             f'   pip install "vl-convert-python>={min_version}"\n'
  49             "or conda:\n"
  50             f'   conda install -c conda-forge "vl-convert-python>={min_version}"\n\n'
  51             f"ImportError: {err.args[0]}"
  52         ) from err
  53 
  54 
  55 def vl_version_for_vl_convert() -> str:
  56     from ..vegalite import SCHEMA_VERSION
  57 
  58     # Compute VlConvert's vl_version string (of the form 'v5_2')
  59     # from SCHEMA_VERSION (of the form 'v5.2.0')
  60     return "_".join(SCHEMA_VERSION.split(".")[:2])
  61 
  62 
  63 def import_pyarrow_interchange() -> ModuleType:
  64     min_version = "11.0.0"
  65     try:
  66         version = importlib_version("pyarrow")
  67 
  68         if Version(version) < Version(min_version):
  69             raise RuntimeError(
  70                 f"The pyarrow package must be version {min_version} or greater. "
  71                 f"Found version {version}"
  72             )
  73         import pyarrow.interchange as pi
  74 
  75         return pi
  76     except ImportError as err:
  77         raise ImportError(
  78             f"Usage of the DataFrame Interchange Protocol requires\n"
  79             f"version {min_version} or greater of the pyarrow package. \n"
  80             f"This can be installed with pip using:\n"
  81             f'   pip install "pyarrow>={min_version}"\n'
  82             "or conda:\n"
  83             f'   conda install -c conda-forge "pyarrow>={min_version}"\n\n'
  84             f"ImportError: {err.args[0]}"
  85         ) from err
  86 
  87 
  88 def pyarrow_available() -> bool:
  89     try:
  90         import_pyarrow_interchange()
  91         return True
  92     except ImportError:
  93         return False
  94
  [end of altair/utils/_importers.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/altair/utils/_importers.py b/altair/utils/_importers.py
  --- a/altair/utils/_importers.py
  +++ b/altair/utils/_importers.py
  @@ -7,10 +7,14 @@
       min_version = "1.5.0"
       try:
           version = importlib_version("vegafusion")
  -        if Version(version) < Version(min_version):
  +        embed_version = importlib_version("vegafusion-python-embed")
  +        if version != embed_version or Version(version) < Version(min_version):
               raise RuntimeError(
  -                f"The vegafusion package must be version {min_version} or greater. "
  -                f"Found version {version}"
  +                "The versions of the vegafusion and vegafusion-python-embed packages must match\n"
  +                f"and must be version {min_version} or greater.\n"
  +                f"Found:\n"
  +                f" - vegafusion=={version}\n"
  +                f" - vegafusion-python-embed=={embed_version}\n"
               )
           import vegafusion as vf  # type: ignore
  
verification_info: {"golden_diff": "diff --git a/altair/utils/_importers.py b/altair/utils/_importers.py\n--- a/altair/utils/_importers.py\n+++ b/altair/utils/_importers.py\n@@ -7,10 +7,14 @@\n     min_version = \"1.5.0\"\n     try:\n         version = importlib_version(\"vegafusion\")\n-        if Version(version) < Version(min_version):\n+        embed_version = importlib_version(\"vegafusion-python-embed\")\n+        if version != embed_version or Version(version) < Version(min_version):\n             raise RuntimeError(\n-                f\"The vegafusion package must be version {min_version} or greater. \"\n-                f\"Found version {version}\"\n+                \"The versions of the vegafusion and vegafusion-python-embed packages must match\\n\"\n+                f\"and must be version {min_version} or greater.\\n\"\n+                f\"Found:\\n\"\n+                f\" - vegafusion=={version}\\n\"\n+                f\" - vegafusion-python-embed=={embed_version}\\n\"\n             )\n         import vegafusion as vf  # type: ignore\n", "issue": "Verify versions of both VegaFusion packages\nSee https://github.com/altair-viz/altair/pull/3281#issuecomment-1867599879\r\n\r\nWe should check the version of `vegafusion-python-embed` as well as the version of `vegafusion` since it's possible for these to get out of sync.\r\n\r\n\n", "before_files": [{"content": "from types import ModuleType\nfrom packaging.version import Version\nfrom importlib.metadata import version as importlib_version\n\n\ndef import_vegafusion() -> ModuleType:\n    min_version = \"1.5.0\"\n    try:\n        version = importlib_version(\"vegafusion\")\n        if Version(version) < Version(min_version):\n            raise RuntimeError(\n                f\"The vegafusion package must be version {min_version} or greater. \"\n                f\"Found version {version}\"\n            )\n        import vegafusion as vf  # type: ignore\n\n        return vf\n    except ImportError as err:\n        raise ImportError(\n            'The \"vegafusion\" data transformer and chart.transformed_data feature requires\\n'\n            f\"version {min_version} or greater of the 'vegafusion-python-embed' and 'vegafusion' packages.\\n\"\n            \"These can be installed with pip using:\\n\"\n            f'    pip install \"vegafusion[embed]>={min_version}\"\\n'\n            \"Or with conda using:\\n\"\n            f'    conda install -c conda-forge \"vegafusion-python-embed>={min_version}\" '\n            f'\"vegafusion>={min_version}\"\\n\\n'\n            f\"ImportError: {err.args[0]}\"\n        ) from err\n\n\ndef import_vl_convert() -> ModuleType:\n    min_version = \"1.1.0\"\n    try:\n        version = importlib_version(\"vl-convert-python\")\n        if Version(version) < Version(min_version):\n            raise RuntimeError(\n                f\"The vl-convert-python package must be version {min_version} or greater. \"\n                f\"Found version {version}\"\n            )\n        import vl_convert as vlc\n\n        return vlc\n    except ImportError as err:\n        raise ImportError(\n            f\"The vl-convert Vega-Lite compiler and file export feature requires\\n\"\n            f\"version {min_version} or greater of the 'vl-convert-python' package. \\n\"\n            f\"This can be installed with pip using:\\n\"\n            f'   pip install \"vl-convert-python>={min_version}\"\\n'\n            \"or conda:\\n\"\n            f'   conda install -c conda-forge \"vl-convert-python>={min_version}\"\\n\\n'\n            f\"ImportError: {err.args[0]}\"\n        ) from err\n\n\ndef vl_version_for_vl_convert() -> str:\n    from ..vegalite import SCHEMA_VERSION\n\n    # Compute VlConvert's vl_version string (of the form 'v5_2')\n    # from SCHEMA_VERSION (of the form 'v5.2.0')\n    return \"_\".join(SCHEMA_VERSION.split(\".\")[:2])\n\n\ndef import_pyarrow_interchange() -> ModuleType:\n    min_version = \"11.0.0\"\n    try:\n        version = importlib_version(\"pyarrow\")\n\n        if Version(version) < Version(min_version):\n            raise RuntimeError(\n                f\"The pyarrow package must be version {min_version} or greater. \"\n                f\"Found version {version}\"\n            )\n        import pyarrow.interchange as pi\n\n        return pi\n    except ImportError as err:\n        raise ImportError(\n            f\"Usage of the DataFrame Interchange Protocol requires\\n\"\n            f\"version {min_version} or greater of the pyarrow package. \\n\"\n            f\"This can be installed with pip using:\\n\"\n            f'   pip install \"pyarrow>={min_version}\"\\n'\n            \"or conda:\\n\"\n            f'   conda install -c conda-forge \"pyarrow>={min_version}\"\\n\\n'\n            f\"ImportError: {err.args[0]}\"\n        ) from err\n\n\ndef pyarrow_available() -> bool:\n    try:\n        import_pyarrow_interchange()\n        return True\n    except ImportError:\n        return False\n", "path": "altair/utils/_importers.py"}]}