Fixed E301 flake8 errors

expected 1 blank line, found 0

_pytest/capture.py

@@ -238,6 +238,7 @@ def safe_text_dupfile(f, mode, default_encoding="UTF8"):
 
 class EncodedFile(object):
     errors = "strict"  # possibly needed by py3 code (issue555)
+
     def __init__(self, buffer, encoding):
         self.buffer = buffer
         self.encoding = encoding