skip serializing pip check

src/recipe/parser/test.rs

@@ -53,11 +53,20 @@ impl CommandsTestFiles {
     }
 }
 
+fn default_pip_check() -> bool {
+    true
+}
+
+fn is_true(value: &bool) -> bool {
+    *value
+}
+
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 pub struct PythonTest {
     /// List of imports to test
     pub imports: Vec<String>,
-    /// Wether to run `pip check` or not
+    /// Wether to run `pip check` or not (default to true)
+    #[serde(default = "default_pip_check", skip_serializing_if = "is_true")]
     pub pip_check: bool,
 }