Fixed bug now delete all files in directory

fileParse.py

 from os import listdir, unlink
 from os.path import isfile, join
-import re
 import numpy as np
 
 class FileParse:
@@ -10,6 +9,12 @@ class FileParse:
     def fileCount(self):
         return len(listdir(self.folderPath))
         
+    def removeFile(self,file_path):
+        try:
+            unlink(file_path)
+        except Exception as e:
+            print("failed to delete")
+    
     def read(self):
         file_list = listdir(self.folderPath)
         data = ""
@@ -19,10 +24,8 @@ class FileParse:
             if i==(len(file_list)-1):
                 f = open(file_path, "r")
                 data = f.read()
-            try:
-                unlink(file_path)
-            except Exception as e:
-                print("failed to delete")
+                f.close()
+            self.removeFile(file_path)
 
         result = []
         samples = data.splitlines()