BF: email in info.php output should be '' when empty

psychopy/app/builder/components/settings/__init__.py

@@ -352,9 +352,9 @@ def copyFileWithMD5(src, dst):
        osfDataFolder = 'data'
        # is email a defined parameter for this version
        if 'email' in self.params:
            email = str(self.params['email'])
            email = repr(self.params['email'].val)
        else:
            email = ''
            email = "''"
        if projLabel in projectCatalog:  # this is the psychopy  descriptive label (id+title)
            proj = projectCatalog[projLabel]
            osfID = proj.osf.id