NTS: drop muddled handling of string input

Author: pavoljuhas

src/diffpy/srfit/util/inpututils.py

@@ -38,6 +38,7 @@ def inputToString(inpt):
     inptstr = ""
     if hasattr(inpt, "read"):
         inptstr = inpt.read()
+    # TODO remove handling of string input accept only file or filename
     # FIXME check for typos in the file name
     elif os.path.exists(inpt) or (len(inpt) < 80 and inpt.count("\n") == 0):
         with open(inpt, 'r') as infile: