[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

unittest/vector.cpp

-#include "eigenpy/eigenpy.hpp"
-#include "eigenpy/std-vector.hpp"
-
-
 #include <ostream>
 #include <type_traits>
 
-template<typename MatType>
+#include "eigenpy/eigenpy.hpp"
+#include "eigenpy/std-vector.hpp"
+
+template <typename MatType>
 void printVectorOfMatrix(const std::vector<MatType> &Ms) {
   const std::size_t n = Ms.size();
   for (std::size_t i = 0; i < n; i++) {
@@ -13,13 +12,12 @@ void printVectorOfMatrix(const std::vector<MatType> &Ms) {
   }
 }
 
-template<typename MatType>
+template <typename MatType>
 std::vector<MatType> copy(const std::vector<MatType> &Ms) {
   std::vector<MatType> out = Ms;
   return out;
 }
 
-
 BOOST_PYTHON_MODULE(vector) {
   namespace bp = boost::python;
 
@@ -31,8 +29,8 @@ BOOST_PYTHON_MODULE(vector) {
   bp::def("copyStdVector", copy<Eigen::MatrixXd>);
   bp::def("copyStdVector", copy<Eigen::VectorXd>);
 
-  eigenpy::StdVectorPythonVisitor<std::vector<Eigen::Matrix3d>>::expose("StdVec_Mat3d", "3D matrices.");
+  eigenpy::StdVectorPythonVisitor<std::vector<Eigen::Matrix3d>>::expose(
+      "StdVec_Mat3d", "3D matrices.");
   bp::def("printVectorOf3x3", printVectorOfMatrix<Eigen::Matrix3d>);
   bp::def("copyStdVec_3x3", copy<Eigen::Matrix3d>, bp::args("mats"));
-
 }