Fix unused imports identified by LGTM.

Author: flit

pyocd/cache/memory.py

@@ -17,7 +17,6 @@
 from intervaltree import (Interval, IntervalTree)
 import logging
 
-from ..core import exceptions
 from ..utility import conversion
 from .metrics import CacheMetrics
 

pyocd/commands/commands.py

@@ -21,7 +21,7 @@
 
 from .. import coresight
 from ..core.helpers import ConnectHelper
-from ..core import (exceptions, session)
+from ..core import exceptions
 from ..probe.tcp_probe_server import DebugProbeServer
 from ..core.target import Target
 from ..flash.loader import FlashLoader
@@ -44,7 +44,6 @@
     msb,
     bfx,
     bfi,
-    round_up_div,
     )
 from .base import CommandBase
 

pyocd/commands/repl.py

@@ -17,7 +17,6 @@
 from __future__ import print_function
 import logging
 import os
-import sys
 import six
 import traceback
 import atexit

pyocd/commands/values.py

@@ -16,10 +16,9 @@
 
 import logging
 import prettytable
-import textwrap
 
 from .. import coresight
-from ..core import (exceptions, session)
+from ..core import exceptions
 from ..probe.debug_probe import DebugProbe
 from ..coresight.ap import MEM_AP
 from ..core.target import Target

pyocd/core/soc_target.py

@@ -15,11 +15,8 @@
 # limitations under the License.
 
 import logging
-import six
 
 from .target import Target
-from .memory_map import MemoryType
-from . import exceptions
 from ..flash.eraser import FlashEraser
 from ..debug.cache import CachingDebugContext
 from ..debug.elf.elf import ELFBinaryFile

pyocd/coresight/coresight_target.py

@@ -21,10 +21,8 @@
 from ..core.memory_map import MemoryType
 from ..core.soc_target import SoCTarget
 from ..core import exceptions
-from . import (dap, discovery, cortex_m, cortex_m_v8m, rom_table)
-from ..debug.svd.loader import (SVDFile, SVDLoader)
-from ..debug.cache import CachingDebugContext
-from ..utility.graph import GraphNode
+from . import (dap, discovery)
+from ..debug.svd.loader import SVDLoader
 from ..utility.sequencer import CallSequence
 from ..target.pack.flash_algo import PackFlashAlgo
 

pyocd/coresight/cortex_m.py

@@ -16,7 +16,6 @@
 
 import logging
 from time import (time, sleep)
-from xml.etree.ElementTree import (Element, SubElement, tostring)
 
 from ..core.target import Target
 from ..core import exceptions

pyocd/gdbserver/gdbserver.py

@@ -21,12 +21,10 @@
 import sys
 import six
 from xml.etree.ElementTree import (Element, SubElement, tostring)
-import io
 
 from ..core import exceptions
 from ..core.target import Target
 from ..flash.loader import FlashLoader
-from ..flash.eraser import FlashEraser
 from ..utility.cmdline import convert_vector_catch
 from ..utility.conversion import (hex_to_byte_list, hex_encode, hex_decode, hex8_to_u32le)
 from ..utility.progress import print_progress

pyocd/probe/pydapaccess/interface/pyusb_backend.py

@@ -30,7 +30,6 @@
     check_ep,
     )
 from ..dap_access_api import DAPAccessIntf
-from ... import common
 
 LOG = logging.getLogger(__name__)
 

pyocd/target/builtin/target_HC32F4A0.py

@@ -1,5 +1,5 @@
 # pyOCD debugger
-# Copyright (c) 2019 Arm Limited
+# Copyright (c) 2019-2020 Arm Limited
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,7 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ...flash.flash import Flash
 from ...coresight.coresight_target import CoreSightTarget
 from ...core.memory_map import (FlashRegion, RamRegion, MemoryMap)
 from ...debug.svd.loader import SVDFile