fix

tools/interop_matrix/client_matrix.py

@@ -19,6 +19,7 @@ def get_github_repo(lang):
   return {
       'go': 'git@github.com:grpc/grpc-go.git',
       'java': 'git@github.com:grpc/grpc-java.git',
+      'node': 'git@github.com:grpc/grpc-node.git',
       # all other languages use the grpc.git repo.
   }.get(lang, 'git@github.com:grpc/grpc.git')
 
@@ -44,6 +45,7 @@ LANG_RELEASE_MATRIX = {
         'v1.3.9',
         'v1.4.2',
         'v1.6.6',
+        'v1.7.2',
     ],
     'go': [
         'v1.0.5',
@@ -77,6 +79,15 @@ LANG_RELEASE_MATRIX = {
         'v1.4.2',
         'v1.6.6',
     ],
+    'python': [
+        'v1.0.x', 
+        'v1.1.4',
+        'v1.2.5',
+        'v1.3.9',
+        'v1.4.2',
+        'v1.6.6',
+        'v1.7.2',    
+    ],
     'node': [
         'v1.0.1',
         'v1.1.4',
@@ -84,6 +95,7 @@ LANG_RELEASE_MATRIX = {
         'v1.3.9',
         'v1.4.2',
         'v1.6.6',
+        'v1.7.1',
     ],
     'ruby': [
         # Ruby v1.0.x doesn't have the fix #8914, therefore not supported.
@@ -92,6 +104,7 @@ LANG_RELEASE_MATRIX = {
         'v1.3.9',
         'v1.4.2',
         'v1.6.6',
+        'v1.7.2',
     ],
     'php': [
         'v1.0.1',
@@ -100,6 +113,7 @@ LANG_RELEASE_MATRIX = {
         'v1.3.9',
         'v1.4.2',
         'v1.6.6',
+        'v1.7.2',
     ],
    'csharp': [
         #'v1.0.1',
@@ -108,5 +122,6 @@ LANG_RELEASE_MATRIX = {
         'v1.3.9',
         'v1.4.2',
         'v1.6.6',
+        'v1.7.2',
     ],
 }