diff --git a/scripts/run_training_pipeline.ps1 b/scripts/run_training_pipeline.ps1
index b79e865..f62f5b7 100644
--- a/scripts/run_training_pipeline.ps1
+++ b/scripts/run_training_pipeline.ps1
@@ -19,13 +19,19 @@ function Write-Log {
 function Invoke-PythonStep {
     param(
         [string]$Name,
-        [string[]]$Args,
+        [string[]]$StepArgs,
         [bool]$Required = $true
     )
 
     Write-Log $Name
-    & $Python @Args *>> $LogPath
+    $PreviousErrorActionPreference = $ErrorActionPreference
+    $ErrorActionPreference = "Continue"
+    $Output = & $Python @StepArgs 2>&1
+    $ErrorActionPreference = $PreviousErrorActionPreference
     $Code = $LASTEXITCODE
+    foreach ($Line in $Output) {
+        Add-Content -Path $LogPath -Value $Line -Encoding UTF8
+    }
     if ($Code -ne 0) {
         $Message = "$Name failed with exit code $Code"
         if ($Required) {
@@ -43,14 +49,14 @@ if ($LASTEXITCODE -ne 0) {
     exit 0
 }
 
-Invoke-PythonStep -Name "collecting daily market features" -Args @("scripts\collect_daily_features.py") -Required $false
+Invoke-PythonStep -Name "collecting daily market features" -StepArgs @("scripts\collect_daily_features.py") -Required $false
 
-Invoke-PythonStep -Name "collecting KIS minute data" -Args @("scripts\collect_minute_data.py", "--top", "30", "--real-quotes") -Required $false
+Invoke-PythonStep -Name "collecting KIS minute data" -StepArgs @("scripts\collect_minute_data.py", "--top", "30", "--real-quotes") -Required $false
 
-Invoke-PythonStep -Name "exporting bot training dataset" -Args @("scripts\export_training_dataset.py", "data\training_dataset.csv") -Required $true
+Invoke-PythonStep -Name "exporting bot training dataset" -StepArgs @("scripts\export_training_dataset.py", "data\training_dataset.csv") -Required $true
 
-Invoke-PythonStep -Name "building external training dataset" -Args @("scripts\build_external_training_dataset.py", "--out", "data\external_training_dataset.csv", "--all-minutes") -Required $true
+Invoke-PythonStep -Name "building external training dataset" -StepArgs @("scripts\build_external_training_dataset.py", "--out", "data\external_training_dataset.csv", "--all-minutes") -Required $true
 
-Invoke-PythonStep -Name "training model" -Args @("scripts\train_ai_model.py") -Required $true
+Invoke-PythonStep -Name "training model" -StepArgs @("scripts\train_ai_model.py") -Required $true
 
 Write-Log "training pipeline finished"