Adding support for prettier python plugin

- updating Dockerfile to include python3 on vim test bed image in order
to work with prettier python plugin
- prettier python plugin seems to require python3 to be available on the
system

2 files changed, 30 insertions, 0 deletions

diff --git a/tests/__snapshots__/formatting.test.js.snap b/tests/__snapshots__/formatting.test.js.snap
index 67cd15b..205221b 100644
--- a/tests/__snapshots__/formatting.test.js.snap
+++ b/tests/__snapshots__/formatting.test.js.snap
@@ -156,6 +156,24 @@ $a = 'a';
 $b = $a . $a . ' asda';"
 `;
 
+exports[`Prettier formats foo.py file with :Prettier command 1`] = `
+"def foo(a, *, example=False, **kwargs):
+    print(\\"hello world\\", example)
+
+
+def i18n_patterns(*urls, prefix_default_language=True):
+    pass"
+`;
+
+exports[`Prettier formats foo.py file with :PrettierAsync command 1`] = `
+"def foo(a, *, example=False, **kwargs):
+    print(\\"hello world\\", example)
+
+
+def i18n_patterns(*urls, prefix_default_language=True):
+    pass"
+`;
+
 exports[`Prettier formats foo.scss file with :Prettier command 1`] = `
 ".redClass {
     background: \\"red\\";
diff --git a/tests/fixtures/foo.py b/tests/fixtures/foo.py
new file mode 100644
index 0000000..b284e14
--- /dev/null
+++ b/tests/fixtures/foo.py
@@ -0,0 +1,12 @@
+def foo(a, 
+        *, 
+        example=False, **kwargs):
+    print(
+            "hello world", 
+            example
+            )
+def i18n_patterns(
+        *urls, 
+        prefix_default_language=True
+        ):
+    pass