diff --git a/python/openapi/src/com/jetbrains/python/run/PyRunConfigurationFactory.java b/python/openapi/src/com/jetbrains/python/run/PyRunConfigurationFactory.java
index 97603c4ac6de..dd2f1ccf191b 100644
--- a/python/openapi/src/com/jetbrains/python/run/PyRunConfigurationFactory.java
+++ b/python/openapi/src/com/jetbrains/python/run/PyRunConfigurationFactory.java
@@ -28,7 +28,15 @@ public abstract class PyRunConfigurationFactory {
     return ServiceManager.getService(PyRunConfigurationFactory.class);
   }
 
-  public abstract PythonRunConfigurationParams createPythonScriptRunConfiguration(Module module, String scriptName);
+  /**
+   * Creates a run configuration to run a specified Python script.
+   *
+   * @param module the module in the context of which the script is run.
+   * @param scriptName the path to the script file.
+   * @param singleton if true, the "Check no other instances are running" option will be set for the run configuration.
+   * @return the settings of the created run configuration.
+   */
+  public abstract PythonRunConfigurationParams createPythonScriptRunConfiguration(Module module, String scriptName, boolean singleton);
 
   public abstract RunnerAndConfigurationSettings createRunConfiguration(Module module, ConfigurationFactory factory);
 }
diff --git a/python/src/com/jetbrains/python/run/PyRunConfigurationFactoryImpl.java b/python/src/com/jetbrains/python/run/PyRunConfigurationFactoryImpl.java
index d7f64373fbec..559712533292 100644
--- a/python/src/com/jetbrains/python/run/PyRunConfigurationFactoryImpl.java
+++ b/python/src/com/jetbrains/python/run/PyRunConfigurationFactoryImpl.java
@@ -13,8 +13,9 @@ import org.jetbrains.annotations.NotNull;
  */
 public class PyRunConfigurationFactoryImpl extends PyRunConfigurationFactory {
   @Override
-  public PythonRunConfigurationParams createPythonScriptRunConfiguration(Module module, String scriptName) {
+  public PythonRunConfigurationParams createPythonScriptRunConfiguration(Module module, String scriptName, boolean singleton) {
     RunnerAndConfigurationSettings settings = createRunConfiguration(module, PythonConfigurationType.getInstance().getFactory());
+    settings.setSingleton(singleton);
     PythonRunConfigurationParams configuration = (PythonRunConfigurationParams)settings.getConfiguration();
     configuration.setScriptName(scriptName);
     return configuration;