The exercises are created in PiAnoS based upon the informations present
in the ICNML database (image, uuid, resolution, ...).

Use the FPC to display or not the general pattern buttons

The original entire filename is still encrypted on the client-side. Only
the extension is passed to the backend to allow a particular processing
for NIST files. The file extension should not contain any sensitive
information regarding the donor of the fingerprint data.

Rename the path variable to subpath to separate it from the path
flask variable instruction