diff --git a/.env_example b/.env_example
index 41962da..aa3004f 100644
--- a/.env_example
+++ b/.env_example
@@ -4,4 +4,4 @@ HF_HOME=TO_BE_FILLED
 HF_HUB_ENABLE_HF_TRANSFER=1
 LIBRARY_BASE_PATH=TO_BE_FILLED
 LANGUAGE=tr
-RESCALE_WITH_BASELINE=False
+RESCALE_WITH_BASELINE=0
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 6860243..e95c815 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -9,6 +9,7 @@ on:
       - main
 
 jobs:
+  # NOTE: python -m pytest -n auto doesn't work and not correctly set environment variables
   test_matrix:
     strategy:
       matrix:
@@ -33,6 +34,6 @@ jobs:
           rye sync --no-lock
       - name: Test the Project
         run: |
-          python -m pytest -n auto
+          python -m pytest
       # - name: Publish code coverage
       #   uses: codecov/codecov-action@v3
diff --git a/notebooks/playground.ipynb b/notebooks/playground.ipynb
index a4b0081..db973a7 100644
--- a/notebooks/playground.ipynb
+++ b/notebooks/playground.ipynb
@@ -85,6 +85,32 @@
     "scorer = BERTScorer(model_type=model_name, lang=\"tr\", rescale_with_baseline=True)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "ValueError",
+     "evalue": "Baseline not Found for dbmdz/bert-base-turkish-cased on tr at /home/ilker/Documents/MyRepos/bert-score-api/.venv/lib/python3.11/site-packages/bert_score/rescale_baseline/tr/dbmdz/bert-base-turkish-cased.tsv",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mValueError\u001b[0m                                Traceback (most recent call last)",
+      "Cell \u001b[0;32mIn[4], line 4\u001b[0m\n\u001b[1;32m      1\u001b[0m candidates \u001b[38;5;241m=\u001b[39m [\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mThe quick brown fox jumps over the lazy dog\u001b[39m\u001b[38;5;124m\"\u001b[39m, \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mThis is a sample test\u001b[39m\u001b[38;5;124m\"\u001b[39m]\n\u001b[1;32m      2\u001b[0m references \u001b[38;5;241m=\u001b[39m [\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mA fast brown fox leaps over a lazy dog\u001b[39m\u001b[38;5;124m\"\u001b[39m, \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mFor example purposes\u001b[39m\u001b[38;5;124m\"\u001b[39m]\n\u001b[0;32m----> 4\u001b[0m \u001b[43mscorer\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mscore\u001b[49m\u001b[43m(\u001b[49m\u001b[43mcandidates\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mreferences\u001b[49m\u001b[43m)\u001b[49m\n",
+      "File \u001b[0;32m~/Documents/MyRepos/bert-score-api/.venv/lib/python3.11/site-packages/bert_score/scorer.py:239\u001b[0m, in \u001b[0;36mBERTScorer.score\u001b[0;34m(self, cands, refs, verbose, batch_size, return_hash)\u001b[0m\n\u001b[1;32m    236\u001b[0m     all_preds \u001b[38;5;241m=\u001b[39m torch\u001b[38;5;241m.\u001b[39mstack(max_preds, dim\u001b[38;5;241m=\u001b[39m\u001b[38;5;241m0\u001b[39m)\n\u001b[1;32m    238\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mrescale_with_baseline:\n\u001b[0;32m--> 239\u001b[0m     all_preds \u001b[38;5;241m=\u001b[39m (all_preds \u001b[38;5;241m-\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mbaseline_vals\u001b[49m) \u001b[38;5;241m/\u001b[39m (\u001b[38;5;241m1\u001b[39m \u001b[38;5;241m-\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mbaseline_vals)\n\u001b[1;32m    241\u001b[0m out \u001b[38;5;241m=\u001b[39m all_preds[\u001b[38;5;241m.\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;241m.\u001b[39m, \u001b[38;5;241m0\u001b[39m], all_preds[\u001b[38;5;241m.\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;241m.\u001b[39m, \u001b[38;5;241m1\u001b[39m], all_preds[\u001b[38;5;241m.\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;241m.\u001b[39m, \u001b[38;5;241m2\u001b[39m]  \u001b[38;5;66;03m# P, R, F\u001b[39;00m\n\u001b[1;32m    243\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m verbose:\n",
+      "File \u001b[0;32m~/Documents/MyRepos/bert-score-api/.venv/lib/python3.11/site-packages/bert_score/scorer.py:151\u001b[0m, in \u001b[0;36mBERTScorer.baseline_vals\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    143\u001b[0m             \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_baseline_vals \u001b[38;5;241m=\u001b[39m (\n\u001b[1;32m    144\u001b[0m                 torch\u001b[38;5;241m.\u001b[39mfrom_numpy(pd\u001b[38;5;241m.\u001b[39mread_csv(\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mbaseline_path)\u001b[38;5;241m.\u001b[39mto_numpy())[\n\u001b[1;32m    145\u001b[0m                     :, \u001b[38;5;241m1\u001b[39m:\n\u001b[0;32m   (...)\u001b[0m\n\u001b[1;32m    148\u001b[0m                 \u001b[38;5;241m.\u001b[39mfloat()\n\u001b[1;32m    149\u001b[0m             )\n\u001b[1;32m    150\u001b[0m     \u001b[38;5;28;01melse\u001b[39;00m:\n\u001b[0;32m--> 151\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\n\u001b[1;32m    152\u001b[0m             \u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mBaseline not Found for \u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mmodel_type\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m on \u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mlang\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m at \u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mbaseline_path\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m\"\u001b[39m\n\u001b[1;32m    153\u001b[0m         )\n\u001b[1;32m    155\u001b[0m \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_baseline_vals\n",
+      "\u001b[0;31mValueError\u001b[0m: Baseline not Found for dbmdz/bert-base-turkish-cased on tr at /home/ilker/Documents/MyRepos/bert-score-api/.venv/lib/python3.11/site-packages/bert_score/rescale_baseline/tr/dbmdz/bert-base-turkish-cased.tsv"
+     ]
+    }
+   ],
+   "source": [
+    "candidates = [\"The quick brown fox jumps over the lazy dog\", \"This is a sample test\"]\n",
+    "references = [\"A fast brown fox leaps over a lazy dog\", \"For example purposes\"]\n",
+    "\n",
+    "scorer.score(candidates, references)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
diff --git a/src/bert_score_api/deps.py b/src/bert_score_api/deps.py
index 0c0c542..2830ed7 100644
--- a/src/bert_score_api/deps.py
+++ b/src/bert_score_api/deps.py
@@ -2,22 +2,24 @@
 
 from bert_score import BERTScorer
 
-from bert_score_api.utils import check_env_vars, get_language_model_map
+from bert_score_api.utils import (
+    check_env_vars,
+    get_language_model_map,
+    is_valid_language,
+)
 
 
 def get_bert_scorer() -> BERTScorer:
     check_env_vars(["LANGUAGE", "RESCALE_WITH_BASELINE"])
 
     LANGUAGE = os.environ["LANGUAGE"].lower()
-    RESCALE_WITH_BASELINE = bool(os.environ["RESCALE_WITH_BASELINE"])
+    RESCALE_WITH_BASELINE = bool(int(os.environ["RESCALE_WITH_BASELINE"]))
 
-    model_type = get_language_model_map().get(LANGUAGE, None)
-
-    if model_type is None:
+    if is_valid_language(LANGUAGE) is False:
         raise ValueError(f"Language {LANGUAGE} is not supported.")
 
     return BERTScorer(
-        model_type=model_type,
+        model_type=get_language_model_map()[LANGUAGE],
         lang=LANGUAGE,
         rescale_with_baseline=RESCALE_WITH_BASELINE,
     )
diff --git a/tests/.env.test b/tests/.env.test
index 24e74e4..f885e2e 100644
--- a/tests/.env.test
+++ b/tests/.env.test
@@ -4,5 +4,5 @@ HF_HOME=$HOME/.cache/huggingface
 HF_HUB_ENABLE_HF_TRANSFER=1
 LIBRARY_BASE_PATH=NOT_NEEDED
 LANGUAGE=tr
-RESCALE_WITH_BASELINE=False
+RESCALE_WITH_BASELINE=0
 TEST_ENV_KEY=TEST_ENV_VALUE
diff --git a/tests/conftest.py b/tests/conftest.py
index 2bb93de..34181a1 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -24,8 +24,7 @@ def anyio_backend():
 @pytest_asyncio.fixture()
 async def async_client() -> AsyncGenerator[AsyncClient, Any]:
 
-    #FIXME: This doesn't take env vars into account
-    #       Find a way to load env vars asynchronusly
+    #FIXME: This doesn't take some env vars into account. Specifically, HF_HOME
 
     app = create_app()