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{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from fastai.vision.all import *"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "ename": "UnpicklingError",
     "evalue": "invalid load key, 'v'.",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mUnpicklingError\u001b[0m                           Traceback (most recent call last)",
      "Cell \u001b[0;32mIn[2], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m learner \u001b[39m=\u001b[39m load_learner(\u001b[39m'\u001b[39;49m\u001b[39mmodel.pth\u001b[39;49m\u001b[39m'\u001b[39;49m)\n",
      "File \u001b[0;32m~/ENTER/envs/fastai-env/lib/python3.11/site-packages/fastai/learner.py:446\u001b[0m, in \u001b[0;36mload_learner\u001b[0;34m(fname, cpu, pickle_module)\u001b[0m\n\u001b[1;32m    444\u001b[0m distrib_barrier()\n\u001b[1;32m    445\u001b[0m map_loc \u001b[39m=\u001b[39m \u001b[39m'\u001b[39m\u001b[39mcpu\u001b[39m\u001b[39m'\u001b[39m \u001b[39mif\u001b[39;00m cpu \u001b[39melse\u001b[39;00m default_device()\n\u001b[0;32m--> 446\u001b[0m \u001b[39mtry\u001b[39;00m: res \u001b[39m=\u001b[39m torch\u001b[39m.\u001b[39;49mload(fname, map_location\u001b[39m=\u001b[39;49mmap_loc, pickle_module\u001b[39m=\u001b[39;49mpickle_module)\n\u001b[1;32m    447\u001b[0m \u001b[39mexcept\u001b[39;00m \u001b[39mAttributeError\u001b[39;00m \u001b[39mas\u001b[39;00m e: \n\u001b[1;32m    448\u001b[0m     e\u001b[39m.\u001b[39margs \u001b[39m=\u001b[39m [\u001b[39mf\u001b[39m\u001b[39m\"\u001b[39m\u001b[39mCustom classes or functions exported with your `Learner` not available in namespace.\u001b[39m\u001b[39m\\\u001b[39m\u001b[39mRe-declare/import before loading:\u001b[39m\u001b[39m\\n\u001b[39;00m\u001b[39m\\t\u001b[39;00m\u001b[39m{\u001b[39;00me\u001b[39m.\u001b[39margs[\u001b[39m0\u001b[39m]\u001b[39m}\u001b[39;00m\u001b[39m\"\u001b[39m]\n",
      "File \u001b[0;32m~/ENTER/envs/fastai-env/lib/python3.11/site-packages/torch/serialization.py:815\u001b[0m, in \u001b[0;36mload\u001b[0;34m(f, map_location, pickle_module, weights_only, **pickle_load_args)\u001b[0m\n\u001b[1;32m    813\u001b[0m     \u001b[39mexcept\u001b[39;00m \u001b[39mRuntimeError\u001b[39;00m \u001b[39mas\u001b[39;00m e:\n\u001b[1;32m    814\u001b[0m         \u001b[39mraise\u001b[39;00m pickle\u001b[39m.\u001b[39mUnpicklingError(UNSAFE_MESSAGE \u001b[39m+\u001b[39m \u001b[39mstr\u001b[39m(e)) \u001b[39mfrom\u001b[39;00m \u001b[39mNone\u001b[39;00m\n\u001b[0;32m--> 815\u001b[0m \u001b[39mreturn\u001b[39;00m _legacy_load(opened_file, map_location, pickle_module, \u001b[39m*\u001b[39;49m\u001b[39m*\u001b[39;49mpickle_load_args)\n",
      "File \u001b[0;32m~/ENTER/envs/fastai-env/lib/python3.11/site-packages/torch/serialization.py:1033\u001b[0m, in \u001b[0;36m_legacy_load\u001b[0;34m(f, map_location, pickle_module, **pickle_load_args)\u001b[0m\n\u001b[1;32m   1027\u001b[0m \u001b[39mif\u001b[39;00m \u001b[39mnot\u001b[39;00m \u001b[39mhasattr\u001b[39m(f, \u001b[39m'\u001b[39m\u001b[39mreadinto\u001b[39m\u001b[39m'\u001b[39m) \u001b[39mand\u001b[39;00m (\u001b[39m3\u001b[39m, \u001b[39m8\u001b[39m, \u001b[39m0\u001b[39m) \u001b[39m<\u001b[39m\u001b[39m=\u001b[39m sys\u001b[39m.\u001b[39mversion_info \u001b[39m<\u001b[39m (\u001b[39m3\u001b[39m, \u001b[39m8\u001b[39m, \u001b[39m2\u001b[39m):\n\u001b[1;32m   1028\u001b[0m     \u001b[39mraise\u001b[39;00m \u001b[39mRuntimeError\u001b[39;00m(\n\u001b[1;32m   1029\u001b[0m         \u001b[39m\"\u001b[39m\u001b[39mtorch.load does not work with file-like objects that do not implement readinto on Python 3.8.0 and 3.8.1. \u001b[39m\u001b[39m\"\u001b[39m\n\u001b[1;32m   1030\u001b[0m         \u001b[39mf\u001b[39m\u001b[39m\"\u001b[39m\u001b[39mReceived object of type \u001b[39m\u001b[39m\\\"\u001b[39;00m\u001b[39m{\u001b[39;00m\u001b[39mtype\u001b[39m(f)\u001b[39m}\u001b[39;00m\u001b[39m\\\"\u001b[39;00m\u001b[39m. Please update to Python 3.8.2 or newer to restore this \u001b[39m\u001b[39m\"\u001b[39m\n\u001b[1;32m   1031\u001b[0m         \u001b[39m\"\u001b[39m\u001b[39mfunctionality.\u001b[39m\u001b[39m\"\u001b[39m)\n\u001b[0;32m-> 1033\u001b[0m magic_number \u001b[39m=\u001b[39m pickle_module\u001b[39m.\u001b[39;49mload(f, \u001b[39m*\u001b[39;49m\u001b[39m*\u001b[39;49mpickle_load_args)\n\u001b[1;32m   1034\u001b[0m \u001b[39mif\u001b[39;00m magic_number \u001b[39m!=\u001b[39m MAGIC_NUMBER:\n\u001b[1;32m   1035\u001b[0m     \u001b[39mraise\u001b[39;00m \u001b[39mRuntimeError\u001b[39;00m(\u001b[39m\"\u001b[39m\u001b[39mInvalid magic number; corrupt file?\u001b[39m\u001b[39m\"\u001b[39m)\n",
      "\u001b[0;31mUnpicklingError\u001b[0m: invalid load key, 'v'."
     ]
    }
   ],
   "source": [
    "learner = load_learner('model.pkl')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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  "kernelspec": {
   "display_name": "fastai-env",
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
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   "file_extension": ".py",
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   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
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