homing: Remove EndstopError

There's no reason to distinguish between an EndstopError and a
CommandError, so just use CommandError.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/kinematics/cartesian.py

@@ -4,7 +4,7 @@
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import logging
-import stepper, homing
+import stepper
 
 class CartKinematics:
     def __init__(self, toolhead, config):

klippy/kinematics/corexy.py

@@ -4,7 +4,7 @@
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import logging, math
-import stepper, homing
+import stepper
 
 class CoreXYKinematics:
     def __init__(self, toolhead, config):

klippy/kinematics/corexz.py

@@ -4,7 +4,7 @@
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import logging, math
-import stepper, homing
+import stepper
 
 class CoreXZKinematics:
     def __init__(self, toolhead, config):

klippy/kinematics/delta.py

@@ -4,7 +4,7 @@
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import math, logging
-import stepper, homing, mathutil
+import stepper, mathutil
 
 # Slow moves once the ratio of tower to XY movement exceeds SLOW_RATIO
 SLOW_RATIO = 3.

klippy/kinematics/extruder.py

@@ -107,13 +107,13 @@ class PrinterExtruder:
     def check_move(self, move):
         axis_r = move.axes_r[3]
         if not self.heater.can_extrude:
-            raise homing.EndstopError(
+            raise self.printer.command_error(
                 "Extrude below minimum temp\n"
                 "See the 'min_extrude_temp' config option for details")
         if (not move.axes_d[0] and not move.axes_d[1]) or axis_r < 0.:
             # Extrude only move (or retraction move) - limit accel and velocity
             if abs(move.axes_d[3]) > self.max_e_dist:
-                raise homing.EndstopError(
+                raise self.printer.command_error(
                     "Extrude only move too long (%.3fmm vs %.3fmm)\n"
                     "See the 'max_extrude_only_distance' config"
                     " option for details" % (move.axes_d[3], self.max_e_dist))
@@ -127,7 +127,7 @@ class PrinterExtruder:
             area = axis_r * self.filament_area
             logging.debug("Overextrude: %s vs %s (area=%.3f dist=%.3f)",
                           axis_r, self.max_extrude_ratio, area, move.move_d)
-            raise homing.EndstopError(
+            raise self.printer.command_error(
                 "Move exceeds maximum extrusion (%.3fmm^2 vs %.3fmm^2)\n"
                 "See the 'max_extrude_cross_section' config option for details"
                 % (area, self.max_extrude_ratio * self.filament_area))

klippy/kinematics/polar.py

@@ -4,7 +4,7 @@
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import logging, math
-import stepper, homing
+import stepper
 
 class PolarKinematics:
     def __init__(self, toolhead, config):

klippy/kinematics/rotary_delta.py

@@ -4,7 +4,7 @@
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import math, logging
-import stepper, homing, mathutil, chelper
+import stepper, mathutil, chelper
 
 class RotaryDeltaKinematics:
     def __init__(self, toolhead, config):