diff --git a/modules/openapi-generator/pom.xml b/modules/openapi-generator/pom.xml
index ecb1f58bb66..352e6c483cb 100644
--- a/modules/openapi-generator/pom.xml
+++ b/modules/openapi-generator/pom.xml
@@ -258,7 +258,7 @@
         <diffutils-version>1.3.0</diffutils-version>
         <guava-version>26.0-jre</guava-version>
         <generex-version>1.0.2</generex-version>
-        <rxgen-version>1.1</rxgen-version>
+        <rxgen-version>1.3</rxgen-version>
         <jackson-version>2.10.1</jackson-version>
         <jackson-threetenbp-version>2.10.0</jackson-threetenbp-version>
         <kotlin-version>1.3.60</kotlin-version>
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonLegacyClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonLegacyClientCodegen.java
index 372e6becdbc..c2955c34e1a 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonLegacyClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonLegacyClientCodegen.java
@@ -797,6 +797,8 @@ public class PythonLegacyClientCodegen extends DefaultCodegen implements Codegen
             if ("Number".equalsIgnoreCase(schema.getFormat())) {return "1";}
             if (StringUtils.isNotBlank(schema.getPattern())) {
                 String pattern = schema.getPattern();
+                while (pattern.startsWith("/")) pattern = pattern.substring(0, pattern.length()-1);
+                while (pattern.endsWith("/")) pattern = pattern.substring(1);
                 RgxGen rgxGen = new RgxGen(pattern);
                 // this seed makes it so if we have [a-z] we pick a
                 Random random = new Random(18);