Fix transducer and question answering tutorial bugs bugs (#5809) (#5810)

Co-authored-by: Zhilin Wang <wangzhilin12061996@hotmail.com>
Co-authored-by: Eric Harper <complex451@gmail.com>

tutorials/asr/Intro_to_Transducers.ipynb

@@ -63,7 +63,7 @@
         "\n",
         "# For pip based environments,\n",
         "# Update Numba to > 0.54\n",
-        "!pip install --upgrade numba==0.54.1"
+        "!pip install --upgrade numba>=0.54.1"
       ],
       "execution_count": null,
       "outputs": []
@@ -773,4 +773,4 @@
       ]
     }
   ]
-}
+}

tutorials/nlp/Question_Answering.ipynb

@@ -107,6 +107,7 @@
       "source": [
         "import os\n",
         "import wget\n",
+        "import gc\n",
         "\n",
         "import pytorch_lightning as pl\n",
         "from omegaconf import OmegaConf\n",
@@ -116,7 +117,8 @@
         "from nemo.collections.nlp.models.question_answering.qa_s2s_model import S2SQAModel\n",
         "from nemo.utils.exp_manager import exp_manager\n",
         "\n",
-        "pl.seed_everything(42)"
+        "pl.seed_everything(42)\n",
+        "gc.disable()"
       ]
     },
     {
@@ -128,8 +130,8 @@
       "outputs": [],
       "source": [
         "# set the following paths\n",
-        "DATA_DIR = \"<PATH_TO_DATA_DIR>\" # directory for storing datasets\n",
-        "WORK_DIR = \"<PATH_TO_WORK_DIR>\" # directory for storing trained models, logs, additionally downloaded scripts\n",
+        "DATA_DIR = \"data_dir\" # directory for storing datasets\n",
+        "WORK_DIR = \"work_dir\" # directory for storing trained models, logs, additionally downloaded scripts\n",
         "\n",
         "os.makedirs(DATA_DIR, exist_ok=True)\n",
         "os.makedirs(WORK_DIR, exist_ok=True)"
@@ -542,7 +544,10 @@
         "\n",
         "config.exp_manager.create_checkpoint_callback = True\n",
         "\n",
-        "config.model.optim.lr = 5e-5"
+        "config.model.optim.lr = 5e-5\n",
+        "\n",
+        "#remove vocab_file from gpt model\n",
+        "config.model.tokenizer.vocab_file = None"
       ]
     },
     {