From bf79cabd70527048f2a754a351958c75bfc81c4f Mon Sep 17 00:00:00 2001
From: Alex Liberzon <alexlib@users.noreply.github.com>
Date: Sat, 18 Nov 2023 11:41:07 +0200
Subject: [PATCH] bug captured by mypy

---
 mypy.ini                      | 16 ++++++++++++++++
 openptv_python/calibration.py |  2 +-
 openptv_python/track.py       |  4 ++--
 3 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 mypy.ini

diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 0000000..e5d1ae2
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,16 @@
+[mypy]
+ignore_missing_imports = True
+; disallow_untyped_defs = True
+; disallow_incomplete_defs = True
+; check_untyped_defs = True
+; warn_unused_ignores = True
+; warn_redundant_casts = True
+; warn_unused_configs = True
+; warn_return_any = True
+; warn_unreachable = True
+; show_error_codes = True
+; pretty = True
+; strict_optional = False
+
+[mypy-scipy.*]
+ignore_errors = True
diff --git a/openptv_python/calibration.py b/openptv_python/calibration.py
index 1e57dbe..d226018 100644
--- a/openptv_python/calibration.py
+++ b/openptv_python/calibration.py
@@ -169,7 +169,7 @@ def from_file(self, ori_file: str, add_file: str) -> None:
         -------
         - Ex, In, G, addp: Calibration object parts without multimedia lookup table.
         """
-        if not pathlib.Path(ori_file).exists:
+        if not pathlib.Path(ori_file).exists():
             raise IOError(f"File {ori_file} does not exist")
 
         with open(ori_file, "r", encoding="utf-8") as fp:
diff --git a/openptv_python/track.py b/openptv_python/track.py
index 33ca541..a181422 100644
--- a/openptv_python/track.py
+++ b/openptv_python/track.py
@@ -241,7 +241,7 @@ def angle_acc(
         angle = 0
     else:
         angle = (200.0 / math.pi) * math.acos(
-            sum([v0[i] * v1[i] for i in range(3)])
+            math.fsum([v0[i] * v1[i] for i in range(3)])
             / (math.dist(start, pred) * math.dist(start, cand))
         )
 
@@ -373,7 +373,7 @@ def candsearch_in_pix_rest(
         # binarized search for start point of candidate search
         j0, dj = num_targets // 2, num_targets // 4
         while dj > 1:
-            j0 += dj if next_frame[j0, 1] < ymin else -dj
+            j0 += dj if next_frame[j0].y < ymin else -dj
             dj //= 2
 
         j0 -= 12 if j0 >= 12 else j0  # due to trunc