@staticmethod  # Creates a folder if not present
def create_folder(folder_name):
    directory = os.path.dirname(folder_name)
    try:
        os.path.exists(directory)
        print("Folder failed")
    except:
        os.makedirs(directory, 0o777)
        print("Folder created")

Traceback (most recent call last):
  File "/var/lib/cloud9/TEMS_Operations/System_Files.py", line 125, in <module>
    temp.create_folder(temp.main_folder)
  File "/var/lib/cloud9/TEMS_Operations/System_Files.py", line 41, in create_folder
    directory = os.path.dirname(folder_name)
  File "/usr/lib/python2.7/posixpath.py", line 122, in dirname
    i = p.rfind('/') + 1
AttributeError: 'function' object has no attribute 'rfind'