Fix pep8 format

src/predict_lang.py

 import fasttext
 import nlp_ws
 
+
 class PredictLangWorker(nlp_ws.NLPWorker):
-    
+
     def __init__(self):
         self.model = fasttext.load_model("lid.176.bin")
 
-    def process(self, input_file: str, task_options: dict, output_file: str) -> None:
+    def process(self, input_file: str,
+                task_options: dict,
+                output_file: str) -> None:
         with open(input_file, "r") as f:
-            text = f.read().replace('\n',' ')
-        print(text)
+            text = f.read().replace('\n', ' ')
         predict = self.model.predict(text)[0][0]
         with open(output_file, "w") as f:
             f.write(predict)