issue TheAlgorithms#11150 Ensure explicit column selection and data t…

…ype setting in data reading process.

machine_learning/sequential_minimum_optimization.py

@@ -463,7 +463,11 @@ def test_cancel_data():
  with open(r"cancel_data.csv", "w") as f:
  f.write(content)
 
- data = pd.read_csv(r"cancel_data.csv", header=None)
+ data = pd.read_csv(
+ "cancel_data.csv",
+ header=None,
+ dtype={0: str} # Assuming the first column contains string data
+ )
 
  # 1: pre-processing data
  del data[data.columns.tolist()[0]]