mlflow fix2

train.py

@@ -3,13 +3,14 @@ import torch.nn as nn
 import torch.optim as optim
 import torch.nn.functional as F
 from sklearn.model_selection import train_test_split
-from sklearn.metrics import accuracy_score
 from sklearn.preprocessing import StandardScaler
 import pandas as pd
 import numpy as np
 import os
 import mlflow
-import mlflow.sklearn
+import mlflow.pytorch
+from mlflow.models.signature import infer_signature
+from urllib.parse import urlparse
 import logging
 
 logging.basicConfig(level=logging.WARN)
@@ -84,7 +85,7 @@ with mlflow.start_run() as run:
 
     for i in range(epochs):
         i = i + 1
-        y_pred = model(X_train)
+        y_pred = model.forward(X_train)
         loss = loss_function(y_pred, y_train)
         final_losses.append(loss)
 
@@ -101,7 +102,15 @@ with mlflow.start_run() as run:
         loss.backward()
         optimizer.step()
 
-torch.save(model,"classificationn_model.pt")
+    # Infer model signature to log it
-
+    signature = infer_signature(X_train.numpy(), model(X_train).detach().numpy())
+    input_example = {"input": X_train[0].numpy().tolist()}
+
+    # Log model
+    tracking_url_type_store = urlparse(mlflow.get_tracking_uri()).scheme
+    if tracking_url_type_store != "file":
+        mlflow.pytorch.log_model(model, "model", signature=signature, input_example=input_example, registered_model_name="ClassificationModel")
+    else:
+        mlflow.pytorch.log_model(model, "model", signature=signature, input_example=input_example)