diff --git a/crawl.py b/crawl.py
index e070e42..41baa8d 100755
--- a/crawl.py
+++ b/crawl.py
@@ -66,6 +66,7 @@ vals_group.add_argument(
     nargs='?'
     )
 
+
 def _process_stdin(argv: str, res: utils.CurrencyResult) -> None:
     argv = argv.split()
     try:
@@ -123,6 +124,7 @@ d | date: Print the date which the data is from.
     except ValueError:
         print("The currency specified does not exist.")
 
+
 def is_float(string: str) -> bool:
     try:
         float(string)
@@ -130,9 +132,11 @@ def is_float(string: str) -> bool:
     except ValueError:
         return False
 
+
 def _parse_date_from_args(date_str: str) -> DTDate:
     return DTDateTime.strptime(date_str).date()
 
+
 def calc_result(amt: float, rate: utils.Rate, direction: int, duty: float = 0) -> float:
     if direction == DIRECTION_FROM_EUR:
         result = amt * rate.ask / 1+duty
@@ -142,6 +146,7 @@ def calc_result(amt: float, rate: utils.Rate, direction: int, duty: float = 0) -
         raise ValueError('direction must be DIRECTION_FROM_EUR or DIRECTION_TO_EUR')
     return result
 
+
 def fmt_and_calc(amt: float, cur: str, res: utils.CurrencyResult, direction: str) -> str:
     cur = cur.upper()
     if cur in res.rates:
diff --git a/utils.py b/utils.py
index 1f3c46d..8597f49 100644
--- a/utils.py
+++ b/utils.py
@@ -19,12 +19,14 @@ Rate = namedtuple('Rate', ['abbr', 'full_name', 'ask', 'bid'])
 CARD_MASTERCARD = ['0']
 CARD_VISA = ['1']
 
-class CurrencyResult():
+
+class CurrencyResult:
     def __init__(self):
         self.rates = list()
         self.card_type = str()
         self.date = None
 
+
 def _parse_rate(text: str) -> float or None:
     if re.match('Keine Kursdaten vorhanden', text):
         _r = None
@@ -37,17 +39,20 @@ def _parse_rate(text: str) -> float or None:
             _r = None
     return _r
 
+
 def _parse_card_type(text: str) -> str:
     # Method for validating metadata from the PDF against the request data
     text = text.split(':')[1]
     text = text.strip('" ')
     return text
 
+
 def _parse_date(text: str) -> DTDate:
     # Method for validating metadata from the PDF against the request data
     text = text.split(': ')[1].rstrip()
     return DTDateTime.strptime(text, '%d.%m.%Y').date()
 
+
 def _array_remove_empty(obj: list) -> List[str]:
     # just a macro for removing empty or empty-string array objects
     try:
@@ -57,6 +62,7 @@ def _array_remove_empty(obj: list) -> List[str]:
         return obj
     return obj
 
+
 def _parse_line(line: str) -> Rate or None:
     arr = line.split("   ") # 3 spaces = minimum separation in PDF
     arr = _array_remove_empty(arr)
@@ -97,6 +103,7 @@ def get_results_from_text(text: str, currency: str = None) -> CurrencyResult:
     result.rates = rates
     return result
 
+
 def get_results_from_pdf(buf: BinaryIO or str, currency: str = None) -> CurrencyResult:
     print('Parsing data... ', end='')
     reader = PyPDF3.PdfFileReader(buf)
@@ -105,6 +112,8 @@ def get_results_from_pdf(buf: BinaryIO or str, currency: str = None) -> Currency
         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
     # pylint: disable=no-member # mechanize.Browser has some lazy-loading methods that pylint doesn't see
     print('Downloading rates for ' + date.strftime('%Y-%m-%d') + '... ', end='')
@@ -134,6 +143,8 @@ def get_fileio(date: DTDate, card_type: List[str] = CARD_VISA) -> BinaryIO: # py
     print(' Done.')
     # Returns an open file-like object with the PDF as contents
     return open(rp[0], 'rb')
+
+
 def get_date() -> DTDate:
     # For Sunday and Monday, use Friday's data; Saturday and Sunday are completely null
     if DTDate.today().weekday() in [6, 0]:
@@ -143,6 +154,7 @@ def get_date() -> DTDate:
         date = DTDate.today() - DTTimeDelta(1)
     return date
 
+
 def mk_filename(date: DTDate, card_type: List[str]) -> str:
     # List[str] is used because I don't want to make a class for just this
     if card_type == CARD_MASTERCARD: