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Rapper 2 Chainz is maintaining his innocence in his "sizzurp" arrest case. reports that 2 Chainz was in a Los Angeles courtroom on Tuesday and pleaded not guilty to accusations that he was caught with codeine at Los Angeles International Airport last June. 

TSA officials reportedly uncovered the prescription cough syrup -- which is among the key ingredients in "sizzurp" -- in his checked luggage. 

Last week, prosecutors officially filed the felony charges.  He is scheduled to return to court on May 5th.   

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