Use correct library

terracumber/config.py

@@ -13,7 +13,7 @@ def read_config(path):
     """Return a dictionary with all the variables from a HCL file"""
     config = {}
     with open(path, 'r') as cfg:
-        hcl_file = hcl.load(cfg)
+        hcl_file = hcl2.load(cfg)
         if not 'variable' in hcl_file.keys():
             return config
         for key, value in hcl_file['variable'].items():