Bug report: Application crashed with TraitError

[edan-bainglass]

Automated report

This issue was created with the app's automated bug reporting feature.
Attached to this issue is the full traceback as well as an environment
fingerprint that contains information about the operating system as well as all
installed libraries.

Additional comments (optional):

Possibly messed it up in #984 or #1104. Looking into it

Attachments

Traceback

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in set(self, obj, value)
    704 
    705     def set(self, obj, value):
--> 706         new_value = self._validate(obj, value)
    707         try:
    708             old_value = obj._trait_values[self.name]

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in _validate(self, obj, value)
    738             value = self.validate(obj, value)
    739         if obj._cross_validation_lock is False:
--> 740             value = self._cross_validate(obj, value)
    741         return value
    742 

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in _cross_validate(self, obj, value)
    744         if self.name in obj._trait_validators:
    745             proposal = Bunch({"trait": self, "value": value, "owner": obj})
--> 746             value = obj._trait_validators[self.name](obj, proposal)
    747         elif hasattr(obj, "_%s_validate" % self.name):
    748             meth_name = "_%s_validate" % self.name

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in __call__(self, *args, **kwargs)
   1231         """Pass `*args` and `**kwargs` to the handler's function if it exists."""
   1232         if hasattr(self, "func"):
-> 1233             return self.func(*args, **kwargs)
   1234         else:
   1235             return self._init_call(*args, **kwargs)

/opt/conda/lib/python3.9/site-packages/ipywidgets/widgets/widget_selection.py in _validate_value(self, proposal)
    241             return findvalue(self._options_values, value, self.equals) if value is not None else None
    242         except ValueError:
--> 243             raise TraitError('Invalid selection: value not found')
    244 
    245     @observe('value')

TraitError: Invalid selection: value not found

Environment fingerprint

eNptWNuO47gR_ZWG87oyLNl9m7fNvA1mkkl6kkUQBAYt0TLbFMkWKbvVi_331I02vbuPOkWRxbqe4q-Lkx6j8W7xqf5pEaxKez8O
i0-_LtTYHkzSbZpGvfj038XDZmfS4qfF4n-wbk4H77aXXxfr5fOyXoP0Cv2lvnv59v3ux2G6-6LcXV3frTafVs-
fVuu7f_34fNesms3iN9hKtUfV60hHtq2O0eysrsLcD9olgBer5Wq5ga2VMZ2qWo_qLJrlw3J9AUPUU-
cBrgFeXeA3Xb3HoFvapF6uVH0VTcqladAxjHAk_rpZPhW_npVzRo_PKzqr-
TNJdfbjcW_9OdKa9XWNVTuENmCUEqu0daJKU8Dbgx80r6-bZV1K3jIONlCPpeRsul6nuN2pqPPxig3iq2COCsAHuBFvBy59Iy-tG
YAdVEx6JG0e2XPK6mFnWjKi_OecTyrprkpz0FEW041cNM0hDZZWP8vq2dzY0c2sJP0n4aFC6MwY6bcNezWEwXeaFsmPGHgnCAGVD
gRv2Fxj711Ttfu9wQvX2eBXuNoZ1xnXR5aL08g-62Ujpo2ubsc5JI6WewFT8kft2JGgB2Gza7e9dnpUyY-0uqYNU6ILgFv4hL-qn
bb0p7hvByHdKmtJeV6DUPBjisv95NrkvY2VHaeqVe1BS9yiNXakG1lRftRqSmY_2einsCEBnIL2gCyBnwG5B43pWGvcUbOm9_gNV
zqQXhtKld3okzVhLvy4m4Zwol8gHSE26uYZ0M-o1Gfv0uj5DjWHDSlLuouCGwKzPdYS160eQWPDm2I0rFcZlcPZTOJJMOu9fPcnc
tWGdGsPaow6VQ6CV1nzQWriGSzUg3F7LxtynrVmbCcO05pDqbWmPQIA8bx8zN9VDMY5CX5xauutH9WgJN7uCXIdfkPgyPYIVFKvq
oNyHRi8lwyQBclPI-lU50t6sC-sB-gRoo0sRuHXjyoccOUG4pj8086tzVrxz53eTb1sx-Wu01D_JB7vUXnC9lPU3ftgczoTCIUNf
MO1uBGzdSYet373ClU9Ji6kOU9ABNGxoy3WlAGdi1znpdzStr6NaYRrbwN6R7R9YAkEqhXzixKTPZuWkxjMiFbVUGWgrktub8TXe
lDGbk_g5k4ul2uuHvyr4RvIUgjLOXiTewNaVL-3OuBV-
xGyRC7VkECjVuIlNtcesv01ehcxhhRv_UCr98Zq6ylg1hiUaPC9NWkrPWcttt2Dn69pcM91aD9xo4RzVgRA5aukgoJmsSj85PqT-
WC7sPP7UWtnqViioggd6pp_4osfpkG5_Wg0xB2FxOoKQ3ZwaWA3mw6sZPazOI4hp_gK-DFARFKxhr7BjiUo8j5YmhnDkgVBUQ06K
fBMbiqrGyE0UIj6lhrE_VLUMs5AOuxNLyWVsDBDfXJULB_Q6AJ68N2gpAc0GZXIe1yuNyVUQUm-
Btp1NdhPkIaR08R3qesCEavUFzWDNKlIRz1SOF3BSr8nsLfuivgxKXbK9RpCLRaB-
qo7k0sPLvti3KtqpGThrq9-x_lVS0PDILyX8nUv35eg3GT7vE5wOT1CpwgYYJWfUpiS0KK6vq7YQnEDt7PJeMMs4PCl8Ch-
qCB_T9Iv6ucbSaI0hUTLzOkqO0w7utSqBJnwYOV-ugFvaRy75irdXhRoMN1-J7z6hSyP6h3N-dq_HgWI3uZbcOG2ajzKX8_0maA-
AMVoC72tfjcddyiMhRVWMPDOoIadkoLLTcn6fhonObIhwEd9ZbmZhnxTRy-
FB3OXNiq2-QY6df7sLik4CFCZVNGBWTNcOYUXtddSt3m7FKyX-ryWdnMFK-OgFWlxFt5l6KbRFiVngOo-OS3JiOE4QBGbc4-GbGh
qAiHCgPSPubw95eozhIFLdr7wEHtshWJoQiabTGfaxOlNmFMpQpmgnXgjt2utApLfFq0WMYndzEwA8g7MzPHM7dDtcDZRieoMly2
nI1RZpGomE7oHghOS83dmfryytyejz2JpDFMHMaHdqaCwUKz1zvsjXQCJVoFV8WCGIh0cUCdp9EzdPBC1Q_YQn1kUNuwKeFVI35b
pPhlyGXxMuB3TCu5UDTs9ACNPSQHPE-rO4KCtKtoMAG-hGEAC8BKVC1MjgG-ht4Fbo9iIFwLhMUefmatgNAshFafT9DuMT6lg9aF
_Wq1WrD6HVujjJOm9oc8EPpH7oRECUC6rI7A5Lf69J9TC5MRtjBX_biQAGjrZBObYssmxx6K_xV4D6b516mJD4m95cJXhYpPvjvk
xU7w0ckM79f1cmsGKIzEFKDWD5XykkgMsCkbOYTCpIABhBBemg55iVQRuvbkIQ6owg47yF1xRJCET_ty6QsR7kYbPrHKcWx_6htz
yTBUsQzjfqHG-lfROSaJzcQ8wq40e5-gimwJ2Dn1StqjDEr1CGcK8gzLJYk7U7_Nns__nL8LSHmhN66PiyzIdBeTCAxsuIQBx6YF
eyrUvzNAvEyV8ky8p0PYyzcP0sCkE0JtSyqNcDv0ZKQiw94Nx7xWYf9B5OlmTvpdW0-SR4vv85ZcfBIizZygfQCCus8kzo1SKqdl
HIWs1OpS2-Da__OOr9Gk-6G_qsy1DaP570O7l5WueCvnWaBlOaIwAPggQmLtzwDyJki9AOjk1Jb5mySHIQrEXAhUO-
xVbNzN6kcCYIZNgAaK5ICFuNGUBnHcZp64HVjLRb27Rgvz9bv2oe3w9EYs1t4dE4BDOTINsWEigKGpPHKbJ6c2CkxoN1rtYTHrC-
kABLZnSgNuaQgIFWqr4Km-GONKpCtp3L9F5EfrXVg2hKOXIHtUskw9HYfrI5IA9_p-
fv32lrrCSoz_oQQVThbZ901VumZkQjjCeJ-EIz4K8TXBNienmBiteAjh-Rh6cauz2G_mu8jyLLzRYRccJ28FyVjL7wdxFSVjgyzZ
PdQ0lMYsqFFV5xF1hvjyhOrE1uS6wZ2I7srEyu4paH0OmAs9UMG883ch_ejhJiLHJXoBHNz9GFQ-
iPx2n0xSy4R7uZe6IB6AM02S67FT0QTTvrBfT4ujMfi89fy2IP--UtZBfw6DLGRJaBvQ6vsO6QEoCfCuYzC04Jt3hdK-
AZfFjh7AZfJWJBvigYKR-6NnkOSFeqGLxsMh_EbDtYODqnfCg-
oLjQSOQOhWC1Qdtg5hh84cVnT4V8uYPcsxnWZDj_3bBa7ywuj8Tv6Vi-_UfxGA-gy8zUOQub4H89AQF82eLo8wsR68x9GICklNJK
VkJMwZwRJ7DtXzDY0CcM7mSlxCiQdviPZGvC_CE_L54BIJioFpD1PZJzArEZ4DO2Xl5reB1xs1tjE0x2SWf00h2h29T2A4D9SO_z
9AefpRt-QEhvXWcBA9y8KhMsjzE3Gf9RsN6NPIPfFdnvYtYk1PZyaGR40PLTVe6vP6lD7Ej83dAJix45Qg-
OXxzg5BNRioq23IK-23yW1mep09oK9enNsn3NeMQzevMdBva-
QTD_ch_y3T-bxX8ZVxEBU8GchgYLJXmhq6L251Vag-d7-kubFaC8O0lFoF-bsHZ8v7LL0dnrWIZATWXOjCddjDeCVnIYXWx6JWh5
aJzEdF5bLzzQWv2_ZpbMB-0DRDiHmeaCw2vC3F0u4t3SMguPY8qpLJYnSNQsuSL17b3wRbvT6zyrEZb_vVhQuAjcTr57bf_A2kYT
Z8=

By submitting this issue I confirm that I am aware that this information can
potentially be used to determine what kind of calculation was performed at the
time of error.