remove unnecessary array

utils.py

@@ -101,11 +101,8 @@ def get_results_from_pdf(buf: BinaryIO or str, currency: str = None) -> Currency
     print('Parsing data... ', end='')
     reader = PyPDF3.PdfFileReader(buf)
     text = str()
-    pages = []
     for num in range(0, reader.getNumPages()-1):
-        pages.append(reader.getPage(num))
-    for page in pages:
-        text += page.extractText()
+        text += reader.getPage(num).extractText()
     print('Done.')
     return get_results_from_text(text, currency=currency)
 def get_fileio(date: DTDate, card_type: List[str] = CARD_VISA) -> BinaryIO: # pylint: disable=dangerous-default-value