The collection of assessments to be levied to pay for the location or construction of any ditch shall not be enjoined nor declared void, nor shall such assessment be set aside in consequence of any error or irregularity committed or appearing in any of the proceedings provided by sections 31-101 to 31-138, and no injunction shall be allowed restraining the collection of any assessment until the party complaining shall first pay to the county treasurer the amount of his assessment, which amount so paid may be recovered from the county in an action brought for that purpose in case such injunction is made perpetual.