diff --git a/conversions/octal_to_binary.py b/conversions/octal_to_binary.py
index 0e9f037ac..64f205d37 100644
--- a/conversions/octal_to_binary.py
+++ b/conversions/octal_to_binary.py
@@ -1,63 +1,63 @@
-def octal_to_binary(octal:str) -> str:
+def octal_to_binary(octal: str) -> str:
+    """
+    Convert an octal value to its binary equivalent
+
+    >>> octal_to_binary("")
+    Traceback (most recent call last):
+        ...
+    ValueError: Empty string was passed to the function
+    >>> octal_to_binary("-")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
+    >>> octal_to_binary("e")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
+    >>> octal_to_binary(8)
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
+    >>> octal_to_binary("-e")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
+    >>> octal_to_binary("-8")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
+    >>> octal_to_binary("1")
+    '0b1'
+    >>> octal_to_binary("-1")
+    '-0b1'
+    >>> octal_to_binary("12")
+    '0b1010'
+    >>> octal_to_binary(" 12   ")
+    '0b1010'
+    >>> octal_to_binary("-45")
+    '-0b100101'
+    >>> octal_to_binary("-")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
+    >>> octal_to_binary("0")
+    '0b0'
+    >>> octal_to_binary("-4055")
+    '-0b100000101101'
+    >>> octal_to_binary("2-0Fm")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
+    >>> octal_to_binary("")
+    Traceback (most recent call last):
+        ...
+    ValueError: Empty string was passed to the function
+    >>> octal_to_binary("19")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-octal value was passed to the function
     """
-   Convert an octal value to its binary equivalent
 
-   >>> octal_to_binary("")
-   Traceback (most recent call last):
-       ...
-   ValueError: Empty string was passed to the function
-   >>> octal_to_binary("-")
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   >>> octal_to_binary("e")
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   >>> octal_to_binary(8)
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   >>> octal_to_binary("-e")
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   >>> octal_to_binary("-8")
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   >>> octal_to_binary("1")
-   '0b1'
-   >>> octal_to_binary("-1")
-   '-0b1'
-   >>> octal_to_binary("12")
-   '0b1010'
-   >>> octal_to_binary(" 12   ")
-   '0b1010'
-   >>> octal_to_binary("-45")
-   '-0b100101'
-   >>> octal_to_binary("-")
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   >>> octal_to_binary("0")
-   '0b0'
-   >>> octal_to_binary("-4055")
-   '-0b100000101101'
-   >>> octal_to_binary("2-0Fm")
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   >>> octal_to_binary("")
-   Traceback (most recent call last):
-       ...
-   ValueError: Empty string was passed to the function
-   >>> octal_to_binary("19")
-   Traceback (most recent call last):
-       ...
-   ValueError: Non-octal value was passed to the function
-   """
-      
     oct_string = str(octal).strip()
     if not oct_string:
         raise ValueError("Empty string was passed to the function")
@@ -75,7 +75,7 @@ def octal_to_binary(octal:str) -> str:
     # Converting Decimal to Binary
     if decimal_number == 0:
         return "0b0"
-    
+
     negative = False
     if decimal_number < 0:
         negative = True
@@ -91,6 +91,8 @@ def octal_to_binary(octal:str) -> str:
 
     return "0b" + "".join(str(e) for e in binary)
 
+
 if __name__ == "__main__":
     from doctest import testmod
+
     testmod()