diff --git a/platform/execution/src/com/intellij/execution/wsl/AbstractWslDistribution.kt b/platform/execution/src/com/intellij/execution/wsl/AbstractWslDistribution.kt
index e9f797aa6d21..f1211b67c0ae 100644
--- a/platform/execution/src/com/intellij/execution/wsl/AbstractWslDistribution.kt
+++ b/platform/execution/src/com/intellij/execution/wsl/AbstractWslDistribution.kt
@@ -51,4 +51,10 @@ interface AbstractWslDistribution {
   @ApiStatus.Experimental
   fun getUNCRootPath(): Path
 
+  /**
+   * Unique distrib id
+   */
+  @get:NlsSafe
+  val msId: String
+
 }
\ No newline at end of file
diff --git a/platform/platform-impl/src/com/intellij/execution/wsl/WSLDistribution.java b/platform/platform-impl/src/com/intellij/execution/wsl/WSLDistribution.java
index 45b921bd4dcb..32472813a667 100644
--- a/platform/platform-impl/src/com/intellij/execution/wsl/WSLDistribution.java
+++ b/platform/platform-impl/src/com/intellij/execution/wsl/WSLDistribution.java
@@ -509,6 +509,7 @@ public class WSLDistribution implements AbstractWslDistribution {
     return myDescriptor.getId();
   }
 
+  @Override
   public @NotNull @NlsSafe String getMsId() {
     return myDescriptor.getMsId();
   }
diff --git a/python/src/com/jetbrains/python/run/target/HelpersAwareLocalTargetEnvironmentRequest.kt b/python/src/com/jetbrains/python/run/target/HelpersAwareLocalTargetEnvironmentRequest.kt
index 072c9c179c58..839844c2ec6d 100644
--- a/python/src/com/jetbrains/python/run/target/HelpersAwareLocalTargetEnvironmentRequest.kt
+++ b/python/src/com/jetbrains/python/run/target/HelpersAwareLocalTargetEnvironmentRequest.kt
@@ -1,6 +1,7 @@
 // Copyright 2000-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.jetbrains.python.run.target
 
+import com.intellij.execution.target.FullPathOnTarget
 import com.intellij.execution.target.TargetEnvironmentRequest
 import com.intellij.execution.target.local.LocalTargetEnvironmentRequest
 import com.intellij.execution.target.value.TargetEnvironmentFunction
@@ -10,5 +11,5 @@ import com.jetbrains.python.PythonHelpersLocator
 class HelpersAwareLocalTargetEnvironmentRequest : HelpersAwareTargetEnvironmentRequest {
   override val targetEnvironmentRequest: TargetEnvironmentRequest = LocalTargetEnvironmentRequest()
 
-  override fun preparePyCharmHelpers(): TargetEnvironmentFunction<String> = constant(PythonHelpersLocator.getHelpersRoot().path)
+  override fun preparePyCharmHelpers(): TargetEnvironmentFunction<FullPathOnTarget> = constant(PythonHelpersLocator.getHelpersRoot().path)
 }
\ No newline at end of file
diff --git a/python/src/com/jetbrains/python/run/target/HelpersAwareTargetEnvironmentRequest.kt b/python/src/com/jetbrains/python/run/target/HelpersAwareTargetEnvironmentRequest.kt
index 1fe460aa752d..4bd3aadf94ef 100644
--- a/python/src/com/jetbrains/python/run/target/HelpersAwareTargetEnvironmentRequest.kt
+++ b/python/src/com/jetbrains/python/run/target/HelpersAwareTargetEnvironmentRequest.kt
@@ -1,8 +1,10 @@
 // Copyright 2000-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.jetbrains.python.run.target
 
+import com.intellij.execution.target.FullPathOnTarget
 import com.intellij.execution.target.TargetEnvironmentRequest
 import com.intellij.execution.target.value.TargetEnvironmentFunction
+import com.intellij.util.concurrency.annotations.RequiresBackgroundThread
 
 /**
  * The target request for Python interpreter configured in PyCharm on a
@@ -15,5 +17,6 @@ interface HelpersAwareTargetEnvironmentRequest {
    * The value that could be resolved to the path to the root of PyCharm
    * helpers scripts.
    */
-  fun preparePyCharmHelpers(): TargetEnvironmentFunction<String>
+  @RequiresBackgroundThread
+  fun preparePyCharmHelpers(): TargetEnvironmentFunction<FullPathOnTarget>
 }
\ No newline at end of file