A unanimous federal appeals panel upheld a seven-year sentence for Gary Solomon, an education services contractor sent to prison for his role in a fraud and bribery scheme with former Chicago Public Schools CEO Barbara Byrd-Bennett.In its 12-page opinion, the 7th U.S. Circuit Court of Appeals rejected Solomon’s claims for a new sentencing hearing and, essentially, ended his challenge to the sentence imposed by the U.S. District Court.Solomon’s prison sentence stems from a bribery scheme that he was implicated …