wrap up from review, formatting

src/core/CellStructure.hpp

@@ -669,8 +669,10 @@ struct CellStructure {
    * @brief Run kernel on all particles inside cell and neighbors.
    *
    * @param p Particle to identify cell and neighbors
-   * @param kernel Function with signature <tt>double(Particle, Particle, Vector)</tt>
-   * @return false if cell is not found via @ref particle_to_cell, otherwise true
+   * @param kernel Function with signature <tt>double(Particle, Particle,
+   * Vector)</tt>
+   * @return false if cell is not found via @ref particle_to_cell, otherwise
+   * true
    */
   template <class Kernel>
   bool run_on_particle_short_range_neighbors(Particle const &p,
@@ -699,7 +701,7 @@ struct CellStructure {
                                  Kernel &kernel, DistanceFunc const &df) {
     /* Iterate over particles inside cell */
     for (auto const &part : cell->particles()) {
-      if (&part == &p) {
+      if (part.id() == p.id()) {
         continue;
       }
       auto const vec = df(p, part).vec21;

src/core/energy.hpp

@@ -49,8 +49,7 @@ double observable_compute_energy();
  * energy contribution for particle p
  *
  * @param pid Particle id
- * @return Double containing short-range Coulomb and non-bonded energy of the
- * particle
+ * @return Double containing non-bonded energy of the energy
  */
 double particle_short_range_energy_contribution(int pid);
 

src/python/espressomd/cellsystem.pyx

@@ -146,6 +146,10 @@ cdef class CellSystem:
             The list of neighbor particles surrounding the particle
 
         """
+        check_type_or_throw_except(
+            particle, 1, ParticleHandle, 'type is not a particle')
+        check_type_or_throw_except(
+            distance, 1, float, 'distance must be a float')
         cdef vector[int] list_of_neighbors
         list_of_neighbors = mpi_get_short_range_neighbors(
             particle.id, distance)