Update app.py

app.py

@@ -9,15 +9,35 @@ import os
 import nltk
 import os
 
-# Set up NLTK data path
-NLTK_DATA_PATH = os.path.join(os.getcwd(), 'nltk_data')
-os.makedirs(NLTK_DATA_PATH, exist_ok=True)
-nltk.data.path.append(NLTK_DATA_PATH)
-
-# Download all required NLTK resources
-resources = ['punkt', 'averaged_perceptron_tagger', 'wordnet', 'omw-1.4']
-for resource in resources:
-    nltk.download(resource, quiet=True, download_dir=NLTK_DATA_PATH)
+
+
+
+import nltk
+import os
+from nltk.tokenize.punkt import PunktLanguageVars
+
+# Create and set NLTK data directory
+NLTK_DATA = os.path.join(os.getcwd(), 'nltk_data')
+os.makedirs(NLTK_DATA, exist_ok=True)
+nltk.data.path.append(NLTK_DATA)
+
+# Download essential resources
+resources = [
+    ('punkt', 'tokenizers/punkt'),
+    ('averaged_perceptron_tagger', 'taggers/averaged_perceptron_tagger'),
+    ('wordnet', 'corpora/wordnet'),
+]
+
+# Download each resource
+for resource, path in resources:
+    try:
+        nltk.data.find(path)
+    except LookupError:
+        nltk.download(resource, download_dir=NLTK_DATA)
+
+# Initialize PunktLanguageVars
+punkt_vars = PunktLanguageVars()
+
 
 
 def initialize_humanizer():