Bump pylint from 2.5.3 to 2.6.0 (#1262)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Otto Winter <otto@otto-winter.com>

esphome/components/binary_sensor/__init__.py

@@ -104,6 +104,7 @@ def parse_multi_click_timing_str(value):
     try:
         state = cv.boolean(parts[0])
     except cv.Invalid:
+        # pylint: disable=raise-missing-from
         raise cv.Invalid("First word must either be ON or OFF, not {}".format(parts[0]))
 
     if parts[1] != 'for':

esphome/components/font/__init__.py

@@ -42,9 +42,9 @@ def validate_glyphs(value):
 def validate_pillow_installed(value):
     try:
         import PIL
-    except ImportError:
+    except ImportError as err:
         raise cv.Invalid("Please install the pillow python package to use this feature. "
-                         "(pip install pillow)")
+                         "(pip install pillow)") from err
 
     if PIL.__version__[0] < '4':
         raise cv.Invalid("Please update your pillow installation to at least 4.0.x. "

esphome/components/http_request/__init__.py

@@ -43,8 +43,8 @@ def validate_url(value):
     value = cv.string(value)
     try:
         parsed = list(urlparse.urlparse(value))
-    except Exception:
-        raise cv.Invalid('Invalid URL')
+    except Exception as err:
+        raise cv.Invalid('Invalid URL') from err
 
     if not parsed[0] or not parsed[1]:
         raise cv.Invalid('URL must have a URL scheme and host')

esphome/components/pn532/binary_sensor.py

@@ -18,8 +18,8 @@ def validate_uid(value):
                              "long.")
         try:
             x = int(x, 16)
-        except ValueError:
-            raise cv.Invalid("Valid characters for parts of a UID are 0123456789ABCDEF.")
+        except ValueError as err:
+            raise cv.Invalid("Valid characters for parts of a UID are 0123456789ABCDEF.") from err
         if x < 0 or x > 255:
             raise cv.Invalid("Valid values for UID parts (separated by '-') are 00 to FF")
     return value

esphome/components/stepper/__init__.py

@@ -28,6 +28,7 @@ def validate_acceleration(value):
     try:
         value = float(value)
     except ValueError:
+        # pylint: disable=raise-missing-from
         raise cv.Invalid(f"Expected acceleration as floating point number, got {value}")
 
     if value <= 0:
@@ -48,6 +49,7 @@ def validate_speed(value):
     try:
         value = float(value)
     except ValueError:
+        # pylint: disable=raise-missing-from
         raise cv.Invalid(f"Expected speed as floating point number, got {value}")
 
     if value <= 0:

esphome/components/time/__init__.py

@@ -138,6 +138,7 @@ def _parse_cron_int(value, special_mapping, message):
     try:
         return int(value)
     except ValueError:
+        # pylint: disable=raise-missing-from
         raise cv.Invalid(message.format(value))
 
 
@@ -158,6 +159,7 @@ def _parse_cron_part(part, min_value, max_value, special_mapping):
         try:
             repeat_n = int(repeat)
         except ValueError:
+            # pylint: disable=raise-missing-from
             raise cv.Invalid("Repeat for '/' time expression must be an integer, got {}"
                              .format(repeat))
         return set(range(offset_n, max_value + 1, repeat_n))

esphome/components/wifi/wpa2_eap.py

@@ -18,9 +18,9 @@ _LOGGER = logging.getLogger(__name__)
 def validate_cryptography_installed():
     try:
         import cryptography
-    except ImportError:
+    except ImportError as err:
         raise cv.Invalid("This settings requires the cryptography python package. "
-                         "Please install it with `pip install cryptography`")
+                         "Please install it with `pip install cryptography`") from err
 
     if cryptography.__version__[0] < '2':
         raise cv.Invalid("Please update your python cryptography installation to least 2.x "