further changed the files to pass the travis-ci test

Author: karimzakir02

conversions/celsius_to_fahrenheit.py

@@ -3,7 +3,7 @@
 
 def celsius_to_fahrenheit(celsius):
     """
-    Convert a given value from Celsius to Fahrenheit 
+    Convert a given value from Celsius to Fahrenheit
 
     >>> celsius_to_fahrenheit(-40)
     -40.0
@@ -33,4 +33,4 @@ def celsius_to_fahrenheit(celsius):
 
 if __name__ == "__main__":
     import doctest
-    doctest.testmod()
+    doctest.testmod()

conversions/fahrenheit_to_celsius.py

@@ -26,7 +26,7 @@ def fahrenheit_to_celsius(fahrenheit):
         """
         Check whether given value is string and raise Type Error
         """
-        raise TypeError("'str' object cannot be interpreted as integer") 
+        raise TypeError("'str' object cannot be interpreted as integer")
 
     celsius = (fahrenheit - 32) * 5 / 9  # value converted from fahrenheit to celsius
     celsius = round(celsius, 2)