UPDATE: ThreadPoolExecutor

functions.py

@@ -299,7 +299,7 @@ def getTextFromImagePDF(pdfBytes):
         global reader
         return "\n".join([text[1] for text in reader.readtext(np.array(image), paragraph=True)])
     allImages = convert_from_bytes(pdfBytes)
-    with ThreadPoolExecutor() as p:
+    with ThreadPoolExecutor(max_workers = 5) as p:
         texts = list(p.map(getText, allImages))
     return "\n\n\n".join(texts)