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"_ordered_sections": [ "Summary", "Extended Summary", "Parameters", "Attributes", "Methods", "Returns", "Yields", "Receives", "Other Parameters", "Raises", "Warns", "Warnings", "Notes" ], "item_file": "/astropy/utils/misc.py", "item_line": 366, "item_type": "class", "aliases": [ "astropy.utils.JsonCustomEncoder" ], "example_section_data": { "__type": "Section", "__tag": 4015, "children": [ { "__type": "Code", "__tag": 4050, "value": "import json\nimport numpy as np\nfrom astropy.utils.misc import JsonCustomEncoder\n", "execution_status": "success", "out": "" }, { "__type": "Code", "__tag": 4050, "value": "json.dumps(np.arange(3), cls=JsonCustomEncoder)\n", "execution_status": "unexpected_exception", "out": "Traceback (most recent call last):\n File \"\", line 1, in \n json.dumps(np.arange(3), cls=JsonCustomEncoder)\n ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/json/__init__.py\", line 242, in dumps\n **kw).encode(obj)\n ~~~~~~^^^^^\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/json/encoder.py\", line 202, in encode\n chunks = self.iterencode(o, _one_shot=True)\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/json/encoder.py\", line 263, in iterencode\n return _iterencode(o, 0)\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/utils/misc.py\", line 392, in default\n from astropy import units as u\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/units/__init__.py\", line 13, in \n from . import (\n ...<11 lines>...\n )\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/units/astrophys.py\", line 12, in \n from astropy.constants import si as _si\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/constants/__init__.py\", line 27, in \n from . import cgs, si\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/constants/cgs.py\", line 7, in \n from .config import codata, iaudata\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/constants/config.py\", line 15, in \n codata = importlib.import_module(\".constants.\" + phys_version, \"astropy\")\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/importlib/__init__.py\", line 88, in import_module\n return _bootstrap._gcd_import(name[level:], package, level)\n ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/constants/codata2018.py\", line 9, in \n from .constant import Constant, EMConstant\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/constants/constant.py\", line 11, in \n from astropy.units.quantity import Quantity\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/units/quantity.py\", line 28, in \n from .quantity_helper import can_have_arbitrary_unit, check_output, converters_and_unit\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/units/quantity_helper/__init__.py\", line 16, in \n from . import erfa, function_helpers, helpers, scipy_special\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/units/quantity_helper/function_helpers.py\", line 1239, in \n @function_helper # np.in1d deprecated in not NUMPY_LT_2_0.\n ^^^^^^^^^^^^^^^\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/astropy/units/quantity_helper/function_helpers.py\", line 197, in __call__\n helps = getattr(module, f.__name__)\n File \"/opt/hostedtoolcache/Python/3.14.5/x64/lib/python3.14/site-packages/numpy/__init__.py\", line 792, in __getattr__\n raise AttributeError(f\"module {__name__!r} has no attribute {attr!r}\")\nAttributeError: module 'numpy' has no attribute 'in1d'. Did you mean: 'int16'?\n" } ], "title": [], "level": 0, "target": null }, "see_also": [], "signature": { "__type": "SignatureNode", "__tag": 4029, "kind": "function", "parameters": [ { "__type": "SigParam", "__tag": 4030, "name": "skipkeys", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "False" }, { "__type": "SigParam", "__tag": 4030, "name": "ensure_ascii", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "True" }, { "__type": "SigParam", "__tag": 4030, "name": "check_circular", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "True" }, { "__type": "SigParam", "__tag": 4030, "name": "allow_nan", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "True" }, { "__type": "SigParam", "__tag": 4030, "name": "sort_keys", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "False" }, { "__type": "SigParam", "__tag": 4030, "name": "indent", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "None" }, { "__type": "SigParam", "__tag": 4030, "name": "separators", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "None" }, { "__type": "SigParam", "__tag": 4030, "name": "default", "annotation": { "__type": "Empty", "__tag": 4031 }, "kind": "KEYWORD_ONLY", "default": "None" } ], "return_annotation": { "__type": "Empty", "__tag": 4031 }, "target_name": "JsonCustomEncoder" }, "references": null, "qa": "astropy.utils.misc:JsonCustomEncoder", "arbitrary": [], "local_refs": [] }