JSON decoding failed with error: Syntax error

Logger: filtering news in ../../sampledata_en/ directory
Logger: FIRST WE HAVE TO PREPROCESS DATA - REPEATING TASK 1 ON THE GIVEN DATASET...
Logger: filtering English & Russian texts in ../../sampledata_en/ directory

 7904 

exec time:  30.86928367614746
number of texts: 7904
count in dataset: 7651
count in dataset: 0
CLASSIFYING EACH NEWS CORPUS SEPARATELY WITH BINARY CLASSIFIERS - TASK 2