Do not abort early if nothing to output (fixes #884)

sebastinas · sebastinas · commit b63051e1c7de · 2021-02-07T20:40:08.000+01:00
Otherwise no TypeError is raised on b"" which is used by click to check
if an output stream is a binary stream.
diff --git a/bpython/curtsiesfrontend/repl.py b/bpython/curtsiesfrontend/repl.py
@@ -1240,8 +1240,6 @@ def send_to_stdouterr(self, output):
 
         Must be able to handle FmtStrs because interpreter pass in
         tracebacks already formatted."""
-        if not output:
-            return
         lines = output.split("\n")
         logger.debug("display_lines: %r", self.display_lines)
         self.current_stdouterr_line += lines[0]
