diff --git a/Handle_emg_data.py b/Handle_emg_data.py
index 179e7ec..954072e 100644
--- a/Handle_emg_data.py
+++ b/Handle_emg_data.py
@@ -9,7 +9,7 @@ class CSV_handler:
         self.working_dir = str(Path.cwd())
 
     # Makes dataframe from the csv files in the working directory
-    def make_df(self, filename)
+    def make_df(self, filename):
         filepath = self.working_dir + str(filename)
         df = pd.read_csv(filepath)
         return df
diff --git a/Handle_emg_data.pyc b/Handle_emg_data.pyc
new file mode 100644
index 0000000..a5d99be
Binary files /dev/null and b/Handle_emg_data.pyc differ
diff --git a/Test_functions.py b/Test_functions.py
new file mode 100644
index 0000000..7f4fcfe
--- /dev/null
+++ b/Test_functions.py
@@ -0,0 +1,11 @@
+from Handle_emg_data.py import CSV_handler
+
+def test_df_extraction():
+    handler = CSV_handler()
+
+    filename = "Exp20201205_2myo_hardTypePP/HaluskaMarek_20201207_1810/myoLeftEmg.csv"
+    subject1_left_emg1 = handler.get_time_emg_table(filename, 1)
+
+    print(subject1_left_emg1.head())
+
+test_df_extraction()